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Finding the Fourth Proportional to 63,642.35, 95,468.31 and 19,272.68

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Solution

The fourth proportional to 63,642.35, 95,468.31 and 19,272.68 is: 28,910.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,642.35 : 95,468.31 = 19,272.68 : x
  2. Step 2: Convert to fraction form
    63,642.35/95,468.31 = 19,272.68/x
  3. Step 3: Cross multiply
    63,642.35x = 95,468.31 × 19,272.68
  4. Step 4: Simplify right side
    63,642.35x = 1,839,930,188.77
  5. Step 5: Solve for x
    x = 1,839,930,188.77/63,642.35
  6. Step 6: Final answer
    x = 28,910.47

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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.