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Finding the Fourth Proportional to 66,397.98, 99,624.97 and 26,944.86

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Solution

The fourth proportional to 66,397.98, 99,624.97 and 26,944.86 is: 40,428.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,397.98 : 99,624.97 = 26,944.86 : x
  2. Step 2: Convert to fraction form
    66,397.98/99,624.97 = 26,944.86/x
  3. Step 3: Cross multiply
    66,397.98x = 99,624.97 × 26,944.86
  4. Step 4: Simplify right side
    66,397.98x = 2,684,380,869.15
  5. Step 5: Solve for x
    x = 2,684,380,869.15/66,397.98
  6. Step 6: Final answer
    x = 40,428.65

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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.