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Finding the Fourth Proportional to 8,872.84, 12,244.61 and 4,894.10

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Solution

The fourth proportional to 8,872.84, 12,244.61 and 4,894.10 is: 6,753.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,872.84 : 12,244.61 = 4,894.10 : x
  2. Step 2: Convert to fraction form
    8,872.84/12,244.61 = 4,894.10/x
  3. Step 3: Cross multiply
    8,872.84x = 12,244.61 × 4,894.10
  4. Step 4: Simplify right side
    8,872.84x = 59,926,260.11
  5. Step 5: Solve for x
    x = 59,926,260.11/8,872.84
  6. Step 6: Final answer
    x = 6,753.90

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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.