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Finding the Fourth Proportional to 24,731.67, 34,129.80 and 13,401.18

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Solution

The fourth proportional to 24,731.67, 34,129.80 and 13,401.18 is: 18,493.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,731.67 : 34,129.80 = 13,401.18 : x
  2. Step 2: Convert to fraction form
    24,731.67/34,129.80 = 13,401.18/x
  3. Step 3: Cross multiply
    24,731.67x = 34,129.80 × 13,401.18
  4. Step 4: Simplify right side
    24,731.67x = 457,379,593.16
  5. Step 5: Solve for x
    x = 457,379,593.16/24,731.67
  6. Step 6: Final answer
    x = 18,493.68

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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.