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Finding the Fourth Proportional to 10,866,486.90, 16,299,730.35 and 9,732,746.10

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Solution

The fourth proportional to 10,866,486.90, 16,299,730.35 and 9,732,746.10 is: 14,599,119.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,866,486.90 : 16,299,730.35 = 9,732,746.10 : x
  2. Step 2: Convert to fraction form
    10,866,486.90/16,299,730.35 = 9,732,746.10/x
  3. Step 3: Cross multiply
    10,866,486.90x = 16,299,730.35 × 9,732,746.10
  4. Step 4: Simplify right side
    10,866,486.90x = 158,641,136,995,014.12
  5. Step 5: Solve for x
    x = 158,641,136,995,014.12/10,866,486.90
  6. Step 6: Final answer
    x = 14,599,119.15

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.