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Finding the Fourth Proportional to 63,758.59, 87,986.87 and 35,077.64

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Solution

The fourth proportional to 63,758.59, 87,986.87 and 35,077.64 is: 48,407.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,758.59 : 87,986.87 = 35,077.64 : x
  2. Step 2: Convert to fraction form
    63,758.59/87,986.87 = 35,077.64/x
  3. Step 3: Cross multiply
    63,758.59x = 87,986.87 × 35,077.64
  4. Step 4: Simplify right side
    63,758.59x = 3,086,371,663.08
  5. Step 5: Solve for x
    x = 3,086,371,663.08/63,758.59
  6. Step 6: Final answer
    x = 48,407.15

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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.