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Finding the Fourth Proportional to 18,062.39, 24,944.25 and 12,411.43

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Solution

The fourth proportional to 18,062.39, 24,944.25 and 12,411.43 is: 17,140.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,062.39 : 24,944.25 = 12,411.43 : x
  2. Step 2: Convert to fraction form
    18,062.39/24,944.25 = 12,411.43/x
  3. Step 3: Cross multiply
    18,062.39x = 24,944.25 × 12,411.43
  4. Step 4: Simplify right side
    18,062.39x = 309,593,796.96
  5. Step 5: Solve for x
    x = 309,593,796.96/18,062.39
  6. Step 6: Final answer
    x = 17,140.24

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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.