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Finding the Fourth Proportional to 8,061.84, 12,097.44 and 3,381.44

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Solution

The fourth proportional to 8,061.84, 12,097.44 and 3,381.44 is: 5,074.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,061.84 : 12,097.44 = 3,381.44 : x
  2. Step 2: Convert to fraction form
    8,061.84/12,097.44 = 3,381.44/x
  3. Step 3: Cross multiply
    8,061.84x = 12,097.44 × 3,381.44
  4. Step 4: Simplify right side
    8,061.84x = 40,906,690.12
  5. Step 5: Solve for x
    x = 40,906,690.12/8,061.84
  6. Step 6: Final answer
    x = 5,074.11

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1.5x scale

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.