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Finding the Fourth Proportional to 63,879.30, 95,747.67 and 28,347.84

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Solution

The fourth proportional to 63,879.30, 95,747.67 and 28,347.84 is: 42,490.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,879.30 : 95,747.67 = 28,347.84 : x
  2. Step 2: Convert to fraction form
    63,879.30/95,747.67 = 28,347.84/x
  3. Step 3: Cross multiply
    63,879.30x = 95,747.67 × 28,347.84
  4. Step 4: Simplify right side
    63,879.30x = 2,714,239,629.53
  5. Step 5: Solve for x
    x = 2,714,239,629.53/63,879.30
  6. Step 6: Final answer
    x = 42,490.13

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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.