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Finding the Fourth Proportional to 63,710.95, 87,791.58 and 49,283.14

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Solution

The fourth proportional to 63,710.95, 87,791.58 and 49,283.14 is: 67,910.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,710.95 : 87,791.58 = 49,283.14 : x
  2. Step 2: Convert to fraction form
    63,710.95/87,791.58 = 49,283.14/x
  3. Step 3: Cross multiply
    63,710.95x = 87,791.58 × 49,283.14
  4. Step 4: Simplify right side
    63,710.95x = 4,326,644,727.96
  5. Step 5: Solve for x
    x = 4,326,644,727.96/63,710.95
  6. Step 6: Final answer
    x = 67,910.54

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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.