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Finding the Fourth Proportional to 66,672.56, 99,978.06 and 24,542.08

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Solution

The fourth proportional to 66,672.56, 99,978.06 and 24,542.08 is: 36,801.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,672.56 : 99,978.06 = 24,542.08 : x
  2. Step 2: Convert to fraction form
    66,672.56/99,978.06 = 24,542.08/x
  3. Step 3: Cross multiply
    66,672.56x = 99,978.06 × 24,542.08
  4. Step 4: Simplify right side
    66,672.56x = 2,453,669,546.76
  5. Step 5: Solve for x
    x = 2,453,669,546.76/66,672.56
  6. Step 6: Final answer
    x = 36,801.79

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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.