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Finding the Fourth Proportional to 63,909.51, 95,864.88 and 17,162.39

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Solution

The fourth proportional to 63,909.51, 95,864.88 and 17,162.39 is: 25,743.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,909.51 : 95,864.88 = 17,162.39 : x
  2. Step 2: Convert to fraction form
    63,909.51/95,864.88 = 17,162.39/x
  3. Step 3: Cross multiply
    63,909.51x = 95,864.88 × 17,162.39
  4. Step 4: Simplify right side
    63,909.51x = 1,645,269,978.54
  5. Step 5: Solve for x
    x = 1,645,269,978.54/63,909.51
  6. Step 6: Final answer
    x = 25,743.74

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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.