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Finding the Fourth Proportional to 61,646.55, 92,469.84 and 17,279.88

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Solution

The fourth proportional to 61,646.55, 92,469.84 and 17,279.88 is: 25,919.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,646.55 : 92,469.84 = 17,279.88 : x
  2. Step 2: Convert to fraction form
    61,646.55/92,469.84 = 17,279.88/x
  3. Step 3: Cross multiply
    61,646.55x = 92,469.84 × 17,279.88
  4. Step 4: Simplify right side
    61,646.55x = 1,597,867,738.82
  5. Step 5: Solve for x
    x = 1,597,867,738.82/61,646.55
  6. Step 6: Final answer
    x = 25,919.82

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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.