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Finding the Fourth Proportional to 60,724.56, 83,814.92 and 41,375.48

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Solution

The fourth proportional to 60,724.56, 83,814.92 and 41,375.48 is: 57,108.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,724.56 : 83,814.92 = 41,375.48 : x
  2. Step 2: Convert to fraction form
    60,724.56/83,814.92 = 41,375.48/x
  3. Step 3: Cross multiply
    60,724.56x = 83,814.92 × 41,375.48
  4. Step 4: Simplify right side
    60,724.56x = 3,467,882,546.16
  5. Step 5: Solve for x
    x = 3,467,882,546.16/60,724.56
  6. Step 6: Final answer
    x = 57,108.40

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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.