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Finding the Fourth Proportional to 52,940.48, 73,058 and 29,068.70

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Solution

The fourth proportional to 52,940.48, 73,058 and 29,068.70 is: 40,114.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,940.48 : 73,058 = 29,068.70 : x
  2. Step 2: Convert to fraction form
    52,940.48/73,058 = 29,068.70/x
  3. Step 3: Cross multiply
    52,940.48x = 73,058 × 29,068.70
  4. Step 4: Simplify right side
    52,940.48x = 2,123,701,084.60
  5. Step 5: Solve for x
    x = 2,123,701,084.60/52,940.48
  6. Step 6: Final answer
    x = 40,114.88

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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.