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Finding the Fourth Proportional to 61,884.57, 92,830.42 and 17,507.61

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Solution

The fourth proportional to 61,884.57, 92,830.42 and 17,507.61 is: 26,262.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,884.57 : 92,830.42 = 17,507.61 : x
  2. Step 2: Convert to fraction form
    61,884.57/92,830.42 = 17,507.61/x
  3. Step 3: Cross multiply
    61,884.57x = 92,830.42 × 17,507.61
  4. Step 4: Simplify right side
    61,884.57x = 1,625,238,811.38
  5. Step 5: Solve for x
    x = 1,625,238,811.38/61,884.57
  6. Step 6: Final answer
    x = 26,262.42

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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.