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Finding the Fourth Proportional to 29,070.31, 40,129.20 and 24,617.11

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Solution

The fourth proportional to 29,070.31, 40,129.20 and 24,617.11 is: 33,981.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,070.31 : 40,129.20 = 24,617.11 : x
  2. Step 2: Convert to fraction form
    29,070.31/40,129.20 = 24,617.11/x
  3. Step 3: Cross multiply
    29,070.31x = 40,129.20 × 24,617.11
  4. Step 4: Simplify right side
    29,070.31x = 987,864,930.61
  5. Step 5: Solve for x
    x = 987,864,930.61/29,070.31
  6. Step 6: Final answer
    x = 33,981.92

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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.