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Finding the Fourth Proportional to 22,872.62, 34,322.10 and 12,342.62

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Solution

The fourth proportional to 22,872.62, 34,322.10 and 12,342.62 is: 18,521.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,872.62 : 34,322.10 = 12,342.62 : x
  2. Step 2: Convert to fraction form
    22,872.62/34,322.10 = 12,342.62/x
  3. Step 3: Cross multiply
    22,872.62x = 34,322.10 × 12,342.62
  4. Step 4: Simplify right side
    22,872.62x = 423,624,637.90
  5. Step 5: Solve for x
    x = 423,624,637.90/22,872.62
  6. Step 6: Final answer
    x = 18,521.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.