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Finding the Fourth Proportional to 61,590.92, 92,344.86 and 49,759.25

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Solution

The fourth proportional to 61,590.92, 92,344.86 and 49,759.25 is: 74,605.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,590.92 : 92,344.86 = 49,759.25 : x
  2. Step 2: Convert to fraction form
    61,590.92/92,344.86 = 49,759.25/x
  3. Step 3: Cross multiply
    61,590.92x = 92,344.86 × 49,759.25
  4. Step 4: Simplify right side
    61,590.92x = 4,595,010,513.23
  5. Step 5: Solve for x
    x = 4,595,010,513.23/61,590.92
  6. Step 6: Final answer
    x = 74,605.33

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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.