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Finding the Fourth Proportional to 63,581.26, 87,740.37 and 34,900.90

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Solution

The fourth proportional to 63,581.26, 87,740.37 and 34,900.90 is: 48,162.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,581.26 : 87,740.37 = 34,900.90 : x
  2. Step 2: Convert to fraction form
    63,581.26/87,740.37 = 34,900.90/x
  3. Step 3: Cross multiply
    63,581.26x = 87,740.37 × 34,900.90
  4. Step 4: Simplify right side
    63,581.26x = 3,062,217,879.33
  5. Step 5: Solve for x
    x = 3,062,217,879.33/63,581.26
  6. Step 6: Final answer
    x = 48,162.27

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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.