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Finding the Fourth Proportional to 64,498.62, 96,710.68 and 25,009.60

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Solution

The fourth proportional to 64,498.62, 96,710.68 and 25,009.60 is: 37,499.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,498.62 : 96,710.68 = 25,009.60 : x
  2. Step 2: Convert to fraction form
    64,498.62/96,710.68 = 25,009.60/x
  3. Step 3: Cross multiply
    64,498.62x = 96,710.68 × 25,009.60
  4. Step 4: Simplify right side
    64,498.62x = 2,418,695,169.42
  5. Step 5: Solve for x
    x = 2,418,695,169.42/64,498.62
  6. Step 6: Final answer
    x = 37,499.95

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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.