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Finding the Fourth Proportional to 44,581.60, 66,901.68 and 16,879.84

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Solution

The fourth proportional to 44,581.60, 66,901.68 and 16,879.84 is: 25,330.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,581.60 : 66,901.68 = 16,879.84 : x
  2. Step 2: Convert to fraction form
    44,581.60/66,901.68 = 16,879.84/x
  3. Step 3: Cross multiply
    44,581.60x = 66,901.68 × 16,879.84
  4. Step 4: Simplify right side
    44,581.60x = 1,129,289,654.13
  5. Step 5: Solve for x
    x = 1,129,289,654.13/44,581.60
  6. Step 6: Final answer
    x = 25,330.85

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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.