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Finding the Fourth Proportional to 63,359.76, 87,427.06 and 38,482.97

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Solution

The fourth proportional to 63,359.76, 87,427.06 and 38,482.97 is: 53,100.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,359.76 : 87,427.06 = 38,482.97 : x
  2. Step 2: Convert to fraction form
    63,359.76/87,427.06 = 38,482.97/x
  3. Step 3: Cross multiply
    63,359.76x = 87,427.06 × 38,482.97
  4. Step 4: Simplify right side
    63,359.76x = 3,364,452,793.83
  5. Step 5: Solve for x
    x = 3,364,452,793.83/63,359.76
  6. Step 6: Final answer
    x = 53,100.78

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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.