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Finding the Fourth Proportional to 14,593.62, 20,134.51 and 8,627.29

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Solution

The fourth proportional to 14,593.62, 20,134.51 and 8,627.29 is: 11,902.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,593.62 : 20,134.51 = 8,627.29 : x
  2. Step 2: Convert to fraction form
    14,593.62/20,134.51 = 8,627.29/x
  3. Step 3: Cross multiply
    14,593.62x = 20,134.51 × 8,627.29
  4. Step 4: Simplify right side
    14,593.62x = 173,706,256.78
  5. Step 5: Solve for x
    x = 173,706,256.78/14,593.62
  6. Step 6: Final answer
    x = 11,902.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.