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Finding the Fourth Proportional to 40,499.54, 55,853.03 and 25,393.85

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Solution

The fourth proportional to 40,499.54, 55,853.03 and 25,393.85 is: 35,020.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,499.54 : 55,853.03 = 25,393.85 : x
  2. Step 2: Convert to fraction form
    40,499.54/55,853.03 = 25,393.85/x
  3. Step 3: Cross multiply
    40,499.54x = 55,853.03 × 25,393.85
  4. Step 4: Simplify right side
    40,499.54x = 1,418,323,465.87
  5. Step 5: Solve for x
    x = 1,418,323,465.87/40,499.54
  6. Step 6: Final answer
    x = 35,020.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.