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Finding the Fourth Proportional to 63,049.78, 87,012.39 and 36,192.34

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Solution

The fourth proportional to 63,049.78, 87,012.39 and 36,192.34 is: 49,947.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,049.78 : 87,012.39 = 36,192.34 : x
  2. Step 2: Convert to fraction form
    63,049.78/87,012.39 = 36,192.34/x
  3. Step 3: Cross multiply
    63,049.78x = 87,012.39 × 36,192.34
  4. Step 4: Simplify right side
    63,049.78x = 3,149,182,003.09
  5. Step 5: Solve for x
    x = 3,149,182,003.09/63,049.78
  6. Step 6: Final answer
    x = 49,947.55

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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.