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Finding the Fourth Proportional to 64,321.26, 96,540.72 and 32,753.13

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Solution

The fourth proportional to 64,321.26, 96,540.72 and 32,753.13 is: 49,159.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,321.26 : 96,540.72 = 32,753.13 : x
  2. Step 2: Convert to fraction form
    64,321.26/96,540.72 = 32,753.13/x
  3. Step 3: Cross multiply
    64,321.26x = 96,540.72 × 32,753.13
  4. Step 4: Simplify right side
    64,321.26x = 3,162,010,752.45
  5. Step 5: Solve for x
    x = 3,162,010,752.45/64,321.26
  6. Step 6: Final answer
    x = 49,159.65

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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.