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Finding the Fourth Proportional to 61,855.62, 92,721.12 and 24,442.20

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Solution

The fourth proportional to 61,855.62, 92,721.12 and 24,442.20 is: 36,638.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,855.62 : 92,721.12 = 24,442.20 : x
  2. Step 2: Convert to fraction form
    61,855.62/92,721.12 = 24,442.20/x
  3. Step 3: Cross multiply
    61,855.62x = 92,721.12 × 24,442.20
  4. Step 4: Simplify right side
    61,855.62x = 2,266,308,159.26
  5. Step 5: Solve for x
    x = 2,266,308,159.26/61,855.62
  6. Step 6: Final answer
    x = 36,638.68

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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.