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Finding the Fourth Proportional to 9,946.70, 14,920.05 and 4,100.12

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Solution

The fourth proportional to 9,946.70, 14,920.05 and 4,100.12 is: 6,150.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,946.70 : 14,920.05 = 4,100.12 : x
  2. Step 2: Convert to fraction form
    9,946.70/14,920.05 = 4,100.12/x
  3. Step 3: Cross multiply
    9,946.70x = 14,920.05 × 4,100.12
  4. Step 4: Simplify right side
    9,946.70x = 61,173,995.41
  5. Step 5: Solve for x
    x = 61,173,995.41/9,946.70
  6. Step 6: Final answer
    x = 6,150.18

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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.