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Finding the Fourth Proportional to 64,508.40, 96,743.40 and 25,042.80

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Solution

The fourth proportional to 64,508.40, 96,743.40 and 25,042.80 is: 37,556.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,508.40 : 96,743.40 = 25,042.80 : x
  2. Step 2: Convert to fraction form
    64,508.40/96,743.40 = 25,042.80/x
  3. Step 3: Cross multiply
    64,508.40x = 96,743.40 × 25,042.80
  4. Step 4: Simplify right side
    64,508.40x = 2,422,725,617.52
  5. Step 5: Solve for x
    x = 2,422,725,617.52/64,508.40
  6. Step 6: Final answer
    x = 37,556.75

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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.