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Finding the Fourth Proportional to 63,758.81, 95,642.17 and 19,388.84

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Solution

The fourth proportional to 63,758.81, 95,642.17 and 19,388.84 is: 29,084.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,758.81 : 95,642.17 = 19,388.84 : x
  2. Step 2: Convert to fraction form
    63,758.81/95,642.17 = 19,388.84/x
  3. Step 3: Cross multiply
    63,758.81x = 95,642.17 × 19,388.84
  4. Step 4: Simplify right side
    63,758.81x = 1,854,390,204.70
  5. Step 5: Solve for x
    x = 1,854,390,204.70/63,758.81
  6. Step 6: Final answer
    x = 29,084.45

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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.