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Finding the Fourth Proportional to 29,573,486.92, 40,812,978.85 and 17,816,456.34

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Solution

The fourth proportional to 29,573,486.92, 40,812,978.85 and 17,816,456.34 is: 24,587,653.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,573,486.92 : 40,812,978.85 = 17,816,456.34 : x
  2. Step 2: Convert to fraction form
    29,573,486.92/40,812,978.85 = 17,816,456.34/x
  3. Step 3: Cross multiply
    29,573,486.92x = 40,812,978.85 × 17,816,456.34
  4. Step 4: Simplify right side
    29,573,486.92x = 727,142,655,799,318.62
  5. Step 5: Solve for x
    x = 727,142,655,799,318.62/29,573,486.92
  6. Step 6: Final answer
    x = 24,587,653.73

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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.