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Finding the Fourth Proportional to 56,463.25, 84,722.52 and 39,929.53

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Solution

The fourth proportional to 56,463.25, 84,722.52 and 39,929.53 is: 59,913.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,463.25 : 84,722.52 = 39,929.53 : x
  2. Step 2: Convert to fraction form
    56,463.25/84,722.52 = 39,929.53/x
  3. Step 3: Cross multiply
    56,463.25x = 84,722.52 × 39,929.53
  4. Step 4: Simplify right side
    56,463.25x = 3,382,930,404.02
  5. Step 5: Solve for x
    x = 3,382,930,404.02/56,463.25
  6. Step 6: Final answer
    x = 59,913.84

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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.