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Finding the Fourth Proportional to 52,929.76, 73,042.62 and 29,055.88

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Solution

The fourth proportional to 52,929.76, 73,042.62 and 29,055.88 is: 40,096.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,929.76 : 73,042.62 = 29,055.88 : x
  2. Step 2: Convert to fraction form
    52,929.76/73,042.62 = 29,055.88/x
  3. Step 3: Cross multiply
    52,929.76x = 73,042.62 × 29,055.88
  4. Step 4: Simplify right side
    52,929.76x = 2,122,317,601.61
  5. Step 5: Solve for x
    x = 2,122,317,601.61/52,929.76
  6. Step 6: Final answer
    x = 40,096.87

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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.