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Finding the Fourth Proportional to 61,449.98, 92,197.17 and 21,474.86

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Solution

The fourth proportional to 61,449.98, 92,197.17 and 21,474.86 is: 32,220.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,449.98 : 92,197.17 = 21,474.86 : x
  2. Step 2: Convert to fraction form
    61,449.98/92,197.17 = 21,474.86/x
  3. Step 3: Cross multiply
    61,449.98x = 92,197.17 × 21,474.86
  4. Step 4: Simplify right side
    61,449.98x = 1,979,920,857.16
  5. Step 5: Solve for x
    x = 1,979,920,857.16/61,449.98
  6. Step 6: Final answer
    x = 32,220.04

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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.