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Finding the Fourth Proportional to 62,647.52, 93,962.16 and 18,262.36

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Solution

The fourth proportional to 62,647.52, 93,962.16 and 18,262.36 is: 27,390.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,647.52 : 93,962.16 = 18,262.36 : x
  2. Step 2: Convert to fraction form
    62,647.52/93,962.16 = 18,262.36/x
  3. Step 3: Cross multiply
    62,647.52x = 93,962.16 × 18,262.36
  4. Step 4: Simplify right side
    62,647.52x = 1,715,970,792.30
  5. Step 5: Solve for x
    x = 1,715,970,792.30/62,647.52
  6. Step 6: Final answer
    x = 27,390.88

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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.