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Finding the Fourth Proportional to 63,770.88, 95,657.04 and 19,398

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Solution

The fourth proportional to 63,770.88, 95,657.04 and 19,398 is: 29,097.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,770.88 : 95,657.04 = 19,398 : x
  2. Step 2: Convert to fraction form
    63,770.88/95,657.04 = 19,398/x
  3. Step 3: Cross multiply
    63,770.88x = 95,657.04 × 19,398
  4. Step 4: Simplify right side
    63,770.88x = 1,855,555,261.92
  5. Step 5: Solve for x
    x = 1,855,555,261.92/63,770.88
  6. Step 6: Final answer
    x = 29,097.22

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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.