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Finding the Fourth Proportional to 64,618.60, 96,909.12 and 25,166.92

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Solution

The fourth proportional to 64,618.60, 96,909.12 and 25,166.92 is: 37,743.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,618.60 : 96,909.12 = 25,166.92 : x
  2. Step 2: Convert to fraction form
    64,618.60/96,909.12 = 25,166.92/x
  3. Step 3: Cross multiply
    64,618.60x = 96,909.12 × 25,166.92
  4. Step 4: Simplify right side
    64,618.60x = 2,438,904,070.31
  5. Step 5: Solve for x
    x = 2,438,904,070.31/64,618.60
  6. Step 6: Final answer
    x = 37,743.07

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1.5x scale

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.