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Finding the Fourth Proportional to 52,956.71, 73,081.53 and 29,083.90

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Solution

The fourth proportional to 52,956.71, 73,081.53 and 29,083.90 is: 40,136.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,956.71 : 73,081.53 = 29,083.90 : x
  2. Step 2: Convert to fraction form
    52,956.71/73,081.53 = 29,083.90/x
  3. Step 3: Cross multiply
    52,956.71x = 73,081.53 × 29,083.90
  4. Step 4: Simplify right side
    52,956.71x = 2,125,495,399.54
  5. Step 5: Solve for x
    x = 2,125,495,399.54/52,956.71
  6. Step 6: Final answer
    x = 40,136.47

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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.