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Finding the Fourth Proportional to 18,019.62, 24,837.32 and 12,049.11

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Solution

The fourth proportional to 18,019.62, 24,837.32 and 12,049.11 is: 16,607.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,019.62 : 24,837.32 = 12,049.11 : x
  2. Step 2: Convert to fraction form
    18,019.62/24,837.32 = 12,049.11/x
  3. Step 3: Cross multiply
    18,019.62x = 24,837.32 × 12,049.11
  4. Step 4: Simplify right side
    18,019.62x = 299,267,630.91
  5. Step 5: Solve for x
    x = 299,267,630.91/18,019.62
  6. Step 6: Final answer
    x = 16,607.88

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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.