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Finding the Fourth Proportional to 18,044.80, 24,901.60 and 10,086.80

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Solution

The fourth proportional to 18,044.80, 24,901.60 and 10,086.80 is: 13,919.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,044.80 : 24,901.60 = 10,086.80 : x
  2. Step 2: Convert to fraction form
    18,044.80/24,901.60 = 10,086.80/x
  3. Step 3: Cross multiply
    18,044.80x = 24,901.60 × 10,086.80
  4. Step 4: Simplify right side
    18,044.80x = 251,177,458.88
  5. Step 5: Solve for x
    x = 251,177,458.88/18,044.80
  6. Step 6: Final answer
    x = 13,919.66

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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.