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Finding the Fourth Proportional to 14,778.10, 22,167.15 and 7,002.10

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Solution

The fourth proportional to 14,778.10, 22,167.15 and 7,002.10 is: 10,503.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,778.10 : 22,167.15 = 7,002.10 : x
  2. Step 2: Convert to fraction form
    14,778.10/22,167.15 = 7,002.10/x
  3. Step 3: Cross multiply
    14,778.10x = 22,167.15 × 7,002.10
  4. Step 4: Simplify right side
    14,778.10x = 155,216,601.02
  5. Step 5: Solve for x
    x = 155,216,601.02/14,778.10
  6. Step 6: Final answer
    x = 10,503.15

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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.