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Finding the Fourth Proportional to 18,010.80, 24,854.68 and 9,944.52

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Solution

The fourth proportional to 18,010.80, 24,854.68 and 9,944.52 is: 13,723.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,010.80 : 24,854.68 = 9,944.52 : x
  2. Step 2: Convert to fraction form
    18,010.80/24,854.68 = 9,944.52/x
  3. Step 3: Cross multiply
    18,010.80x = 24,854.68 × 9,944.52
  4. Step 4: Simplify right side
    18,010.80x = 247,167,862.35
  5. Step 5: Solve for x
    x = 247,167,862.35/18,010.80
  6. Step 6: Final answer
    x = 13,723.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.