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Finding the Fourth Proportional to 63,742.56, 87,959.52 and 36,886.92

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Solution

The fourth proportional to 63,742.56, 87,959.52 and 36,886.92 is: 50,900.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,742.56 : 87,959.52 = 36,886.92 : x
  2. Step 2: Convert to fraction form
    63,742.56/87,959.52 = 36,886.92/x
  3. Step 3: Cross multiply
    63,742.56x = 87,959.52 × 36,886.92
  4. Step 4: Simplify right side
    63,742.56x = 3,244,555,777.48
  5. Step 5: Solve for x
    x = 3,244,555,777.48/63,742.56
  6. Step 6: Final answer
    x = 50,900.93

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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.