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Finding the Fourth Proportional to 63,828, 95,742 and 17,079.66

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Solution

The fourth proportional to 63,828, 95,742 and 17,079.66 is: 25,619.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,828 : 95,742 = 17,079.66 : x
  2. Step 2: Convert to fraction form
    63,828/95,742 = 17,079.66/x
  3. Step 3: Cross multiply
    63,828x = 95,742 × 17,079.66
  4. Step 4: Simplify right side
    63,828x = 1,635,240,807.72
  5. Step 5: Solve for x
    x = 1,635,240,807.72/63,828
  6. Step 6: Final answer
    x = 25,619.49

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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.