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Finding the Fourth Proportional to 61,591.86, 92,390.22 and 17,222.76

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Solution

The fourth proportional to 61,591.86, 92,390.22 and 17,222.76 is: 25,834.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,591.86 : 92,390.22 = 17,222.76 : x
  2. Step 2: Convert to fraction form
    61,591.86/92,390.22 = 17,222.76/x
  3. Step 3: Cross multiply
    61,591.86x = 92,390.22 × 17,222.76
  4. Step 4: Simplify right side
    61,591.86x = 1,591,214,585.41
  5. Step 5: Solve for x
    x = 1,591,214,585.41/61,591.86
  6. Step 6: Final answer
    x = 25,834.82

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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.