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Finding the Fourth Proportional to 66,974.56, 100,458.61 and 24,862.86

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Solution

The fourth proportional to 66,974.56, 100,458.61 and 24,862.86 is: 37,293.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,974.56 : 100,458.61 = 24,862.86 : x
  2. Step 2: Convert to fraction form
    66,974.56/100,458.61 = 24,862.86/x
  3. Step 3: Cross multiply
    66,974.56x = 100,458.61 × 24,862.86
  4. Step 4: Simplify right side
    66,974.56x = 2,497,688,294.07
  5. Step 5: Solve for x
    x = 2,497,688,294.07/66,974.56
  6. Step 6: Final answer
    x = 37,293.09

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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.