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Finding the Fourth Proportional to 66,679.92, 100,020.02 and 27,237.06

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Solution

The fourth proportional to 66,679.92, 100,020.02 and 27,237.06 is: 40,855.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,679.92 : 100,020.02 = 27,237.06 : x
  2. Step 2: Convert to fraction form
    66,679.92/100,020.02 = 27,237.06/x
  3. Step 3: Cross multiply
    66,679.92x = 100,020.02 × 27,237.06
  4. Step 4: Simplify right side
    66,679.92x = 2,724,251,149.76
  5. Step 5: Solve for x
    x = 2,724,251,149.76/66,679.92
  6. Step 6: Final answer
    x = 40,855.65

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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.