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Finding the Fourth Proportional to 52,480.80, 78,732.12 and 29,058.12

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Solution

The fourth proportional to 52,480.80, 78,732.12 and 29,058.12 is: 43,593.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,480.80 : 78,732.12 = 29,058.12 : x
  2. Step 2: Convert to fraction form
    52,480.80/78,732.12 = 29,058.12/x
  3. Step 3: Cross multiply
    52,480.80x = 78,732.12 × 29,058.12
  4. Step 4: Simplify right side
    52,480.80x = 2,287,807,390.81
  5. Step 5: Solve for x
    x = 2,287,807,390.81/52,480.80
  6. Step 6: Final answer
    x = 43,593.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.