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Finding the Fourth Proportional to 61,480.70, 92,211.86 and 17,102.87

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Solution

The fourth proportional to 61,480.70, 92,211.86 and 17,102.87 is: 25,651.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,480.70 : 92,211.86 = 17,102.87 : x
  2. Step 2: Convert to fraction form
    61,480.70/92,211.86 = 17,102.87/x
  3. Step 3: Cross multiply
    61,480.70x = 92,211.86 × 17,102.87
  4. Step 4: Simplify right side
    61,480.70x = 1,577,087,035.74
  5. Step 5: Solve for x
    x = 1,577,087,035.74/61,480.70
  6. Step 6: Final answer
    x = 25,651.74

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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.