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Finding the Fourth Proportional to 18,002.18, 24,844.41 and 9,937.42

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Solution

The fourth proportional to 18,002.18, 24,844.41 and 9,937.42 is: 13,714.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,002.18 : 24,844.41 = 9,937.42 : x
  2. Step 2: Convert to fraction form
    18,002.18/24,844.41 = 9,937.42/x
  3. Step 3: Cross multiply
    18,002.18x = 24,844.41 × 9,937.42
  4. Step 4: Simplify right side
    18,002.18x = 246,889,162.91
  5. Step 5: Solve for x
    x = 246,889,162.91/18,002.18
  6. Step 6: Final answer
    x = 13,714.40

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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.