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Finding the Fourth Proportional to 18,034, 24,891.32 and 10,965.12

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Solution

The fourth proportional to 18,034, 24,891.32 and 10,965.12 is: 15,134.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,034 : 24,891.32 = 10,965.12 : x
  2. Step 2: Convert to fraction form
    18,034/24,891.32 = 10,965.12/x
  3. Step 3: Cross multiply
    18,034x = 24,891.32 × 10,965.12
  4. Step 4: Simplify right side
    18,034x = 272,936,310.76
  5. Step 5: Solve for x
    x = 272,936,310.76/18,034
  6. Step 6: Final answer
    x = 15,134.54

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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.