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Finding the Fourth Proportional to 63,275.38, 87,321.84 and 34,982.89

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Solution

The fourth proportional to 63,275.38, 87,321.84 and 34,982.89 is: 48,277.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,275.38 : 87,321.84 = 34,982.89 : x
  2. Step 2: Convert to fraction form
    63,275.38/87,321.84 = 34,982.89/x
  3. Step 3: Cross multiply
    63,275.38x = 87,321.84 × 34,982.89
  4. Step 4: Simplify right side
    63,275.38x = 3,054,770,323.32
  5. Step 5: Solve for x
    x = 3,054,770,323.32/63,275.38
  6. Step 6: Final answer
    x = 48,277.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.