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Finding the Fourth Proportional to 62,390.68, 85,953.18 and 43,494.04

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Solution

The fourth proportional to 62,390.68, 85,953.18 and 43,494.04 is: 59,920.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,390.68 : 85,953.18 = 43,494.04 : x
  2. Step 2: Convert to fraction form
    62,390.68/85,953.18 = 43,494.04/x
  3. Step 3: Cross multiply
    62,390.68x = 85,953.18 × 43,494.04
  4. Step 4: Simplify right side
    62,390.68x = 3,738,451,049.05
  5. Step 5: Solve for x
    x = 3,738,451,049.05/62,390.68
  6. Step 6: Final answer
    x = 59,920.02

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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.