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Finding the Fourth Proportional to 18,002.84, 24,843.85 and 9,936.43

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Solution

The fourth proportional to 18,002.84, 24,843.85 and 9,936.43 is: 13,712.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,002.84 : 24,843.85 = 9,936.43 : x
  2. Step 2: Convert to fraction form
    18,002.84/24,843.85 = 9,936.43/x
  3. Step 3: Cross multiply
    18,002.84x = 24,843.85 × 9,936.43
  4. Step 4: Simplify right side
    18,002.84x = 246,859,089.50
  5. Step 5: Solve for x
    x = 246,859,089.50/18,002.84
  6. Step 6: Final answer
    x = 13,712.23

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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.