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Finding the Fourth Proportional to 18,074.88, 24,944.90 and 10,116.99

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Solution

The fourth proportional to 18,074.88, 24,944.90 and 10,116.99 is: 13,962.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,074.88 : 24,944.90 = 10,116.99 : x
  2. Step 2: Convert to fraction form
    18,074.88/24,944.90 = 10,116.99/x
  3. Step 3: Cross multiply
    18,074.88x = 24,944.90 × 10,116.99
  4. Step 4: Simplify right side
    18,074.88x = 252,367,253.27
  5. Step 5: Solve for x
    x = 252,367,253.27/18,074.88
  6. Step 6: Final answer
    x = 13,962.32

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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.