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Finding the Fourth Proportional to 63,761.04, 95,640.72 and 28,675.92

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Solution

The fourth proportional to 63,761.04, 95,640.72 and 28,675.92 is: 43,013.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,761.04 : 95,640.72 = 28,675.92 : x
  2. Step 2: Convert to fraction form
    63,761.04/95,640.72 = 28,675.92/x
  3. Step 3: Cross multiply
    63,761.04x = 95,640.72 × 28,675.92
  4. Step 4: Simplify right side
    63,761.04x = 2,742,585,635.46
  5. Step 5: Solve for x
    x = 2,742,585,635.46/63,761.04
  6. Step 6: Final answer
    x = 43,013.50

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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.