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Finding the Fourth Proportional to 66,542.03, 99,729.99 and 33,271.61

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Solution

The fourth proportional to 66,542.03, 99,729.99 and 33,271.61 is: 49,865.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,542.03 : 99,729.99 = 33,271.61 : x
  2. Step 2: Convert to fraction form
    66,542.03/99,729.99 = 33,271.61/x
  3. Step 3: Cross multiply
    66,542.03x = 99,729.99 × 33,271.61
  4. Step 4: Simplify right side
    66,542.03x = 3,318,176,833.93
  5. Step 5: Solve for x
    x = 3,318,176,833.93/66,542.03
  6. Step 6: Final answer
    x = 49,865.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.