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Finding the Fourth Proportional to 65,735.52, 98,310.48 and 58,387.68

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Solution

The fourth proportional to 65,735.52, 98,310.48 and 58,387.68 is: 87,321.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,735.52 : 98,310.48 = 58,387.68 : x
  2. Step 2: Convert to fraction form
    65,735.52/98,310.48 = 58,387.68/x
  3. Step 3: Cross multiply
    65,735.52x = 98,310.48 × 58,387.68
  4. Step 4: Simplify right side
    65,735.52x = 5,740,120,846.89
  5. Step 5: Solve for x
    x = 5,740,120,846.89/65,735.52
  6. Step 6: Final answer
    x = 87,321.45

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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.