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Finding the Fourth Proportional to 63,751.76, 95,638.57 and 19,382.99

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Solution

The fourth proportional to 63,751.76, 95,638.57 and 19,382.99 is: 29,077.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,751.76 : 95,638.57 = 19,382.99 : x
  2. Step 2: Convert to fraction form
    63,751.76/95,638.57 = 19,382.99/x
  3. Step 3: Cross multiply
    63,751.76x = 95,638.57 × 19,382.99
  4. Step 4: Simplify right side
    63,751.76x = 1,853,761,349.01
  5. Step 5: Solve for x
    x = 1,853,761,349.01/63,751.76
  6. Step 6: Final answer
    x = 29,077.81

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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.