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Finding the Fourth Proportional to 63,584.54, 87,740.66 and 38,090.48

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Solution

The fourth proportional to 63,584.54, 87,740.66 and 38,090.48 is: 52,561.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,584.54 : 87,740.66 = 38,090.48 : x
  2. Step 2: Convert to fraction form
    63,584.54/87,740.66 = 38,090.48/x
  3. Step 3: Cross multiply
    63,584.54x = 87,740.66 × 38,090.48
  4. Step 4: Simplify right side
    63,584.54x = 3,342,083,854.92
  5. Step 5: Solve for x
    x = 3,342,083,854.92/63,584.54
  6. Step 6: Final answer
    x = 52,561.26

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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.