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Finding the Fourth Proportional to 61,499.76, 92,249.70 and 17,126.61

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Solution

The fourth proportional to 61,499.76, 92,249.70 and 17,126.61 is: 25,689.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,499.76 : 92,249.70 = 17,126.61 : x
  2. Step 2: Convert to fraction form
    61,499.76/92,249.70 = 17,126.61/x
  3. Step 3: Cross multiply
    61,499.76x = 92,249.70 × 17,126.61
  4. Step 4: Simplify right side
    61,499.76x = 1,579,924,634.52
  5. Step 5: Solve for x
    x = 1,579,924,634.52/61,499.76
  6. Step 6: Final answer
    x = 25,689.93

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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.