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Finding the Fourth Proportional to 61,805.77, 92,454.85 and 49,350.15

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Solution

The fourth proportional to 61,805.77, 92,454.85 and 49,350.15 is: 73,822.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,805.77 : 92,454.85 = 49,350.15 : x
  2. Step 2: Convert to fraction form
    61,805.77/92,454.85 = 49,350.15/x
  3. Step 3: Cross multiply
    61,805.77x = 92,454.85 × 49,350.15
  4. Step 4: Simplify right side
    61,805.77x = 4,562,660,715.73
  5. Step 5: Solve for x
    x = 4,562,660,715.73/61,805.77
  6. Step 6: Final answer
    x = 73,822.57

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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.