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Finding the Fourth Proportional to 63,134.44, 87,120.57 and 37,638.88

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Solution

The fourth proportional to 63,134.44, 87,120.57 and 37,638.88 is: 51,938.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,134.44 : 87,120.57 = 37,638.88 : x
  2. Step 2: Convert to fraction form
    63,134.44/87,120.57 = 37,638.88/x
  3. Step 3: Cross multiply
    63,134.44x = 87,120.57 × 37,638.88
  4. Step 4: Simplify right side
    63,134.44x = 3,279,120,679.76
  5. Step 5: Solve for x
    x = 3,279,120,679.76/63,134.44
  6. Step 6: Final answer
    x = 51,938.70

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1.5x scale

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.