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Finding the Fourth Proportional to 62,538.59, 93,808.47 and 15,791.42

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Solution

The fourth proportional to 62,538.59, 93,808.47 and 15,791.42 is: 23,687.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,538.59 : 93,808.47 = 15,791.42 : x
  2. Step 2: Convert to fraction form
    62,538.59/93,808.47 = 15,791.42/x
  3. Step 3: Cross multiply
    62,538.59x = 93,808.47 × 15,791.42
  4. Step 4: Simplify right side
    62,538.59x = 1,481,368,949.33
  5. Step 5: Solve for x
    x = 1,481,368,949.33/62,538.59
  6. Step 6: Final answer
    x = 23,687.28

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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.