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Finding the Fourth Proportional to 57,590.88, 86,251.92 and 44,338.08

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Solution

The fourth proportional to 57,590.88, 86,251.92 and 44,338.08 is: 66,403.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,590.88 : 86,251.92 = 44,338.08 : x
  2. Step 2: Convert to fraction form
    57,590.88/86,251.92 = 44,338.08/x
  3. Step 3: Cross multiply
    57,590.88x = 86,251.92 × 44,338.08
  4. Step 4: Simplify right side
    57,590.88x = 3,824,244,529.11
  5. Step 5: Solve for x
    x = 3,824,244,529.11/57,590.88
  6. Step 6: Final answer
    x = 66,403.65

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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.