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Finding the Fourth Proportional to 63,763.65, 95,649.08 and 19,391.85

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Solution

The fourth proportional to 63,763.65, 95,649.08 and 19,391.85 is: 29,088.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,763.65 : 95,649.08 = 19,391.85 : x
  2. Step 2: Convert to fraction form
    63,763.65/95,649.08 = 19,391.85/x
  3. Step 3: Cross multiply
    63,763.65x = 95,649.08 × 19,391.85
  4. Step 4: Simplify right side
    63,763.65x = 1,854,812,515.04
  5. Step 5: Solve for x
    x = 1,854,812,515.04/63,763.65
  6. Step 6: Final answer
    x = 29,088.87

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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.