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Finding the Fourth Proportional to 56,898.92, 85,410.78 and 23,642.60

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Solution

The fourth proportional to 56,898.92, 85,410.78 and 23,642.60 is: 35,489.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,898.92 : 85,410.78 = 23,642.60 : x
  2. Step 2: Convert to fraction form
    56,898.92/85,410.78 = 23,642.60/x
  3. Step 3: Cross multiply
    56,898.92x = 85,410.78 × 23,642.60
  4. Step 4: Simplify right side
    56,898.92x = 2,019,332,907.23
  5. Step 5: Solve for x
    x = 2,019,332,907.23/56,898.92
  6. Step 6: Final answer
    x = 35,489.83

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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.