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Finding the Fourth Proportional to 17,884.68, 24,679.71 and 11,169.91

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Solution

The fourth proportional to 17,884.68, 24,679.71 and 11,169.91 is: 15,413.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,884.68 : 24,679.71 = 11,169.91 : x
  2. Step 2: Convert to fraction form
    17,884.68/24,679.71 = 11,169.91/x
  3. Step 3: Cross multiply
    17,884.68x = 24,679.71 × 11,169.91
  4. Step 4: Simplify right side
    17,884.68x = 275,670,139.53
  5. Step 5: Solve for x
    x = 275,670,139.53/17,884.68
  6. Step 6: Final answer
    x = 15,413.76

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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.