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Finding the Fourth Proportional to 52,940, 73,058.36 and 29,068.32

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Solution

The fourth proportional to 52,940, 73,058.36 and 29,068.32 is: 40,114.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,940 : 73,058.36 = 29,068.32 : x
  2. Step 2: Convert to fraction form
    52,940/73,058.36 = 29,068.32/x
  3. Step 3: Cross multiply
    52,940x = 73,058.36 × 29,068.32
  4. Step 4: Simplify right side
    52,940x = 2,123,683,787.16
  5. Step 5: Solve for x
    x = 2,123,683,787.16/52,940
  6. Step 6: Final answer
    x = 40,114.92

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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.