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Finding the Fourth Proportional to 74,591.88, 111,890.52 and 24,673.20

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Solution

The fourth proportional to 74,591.88, 111,890.52 and 24,673.20 is: 37,010.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,591.88 : 111,890.52 = 24,673.20 : x
  2. Step 2: Convert to fraction form
    74,591.88/111,890.52 = 24,673.20/x
  3. Step 3: Cross multiply
    74,591.88x = 111,890.52 × 24,673.20
  4. Step 4: Simplify right side
    74,591.88x = 2,760,697,178.06
  5. Step 5: Solve for x
    x = 2,760,697,178.06/74,591.88
  6. Step 6: Final answer
    x = 37,010.69

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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.