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Finding the Fourth Proportional to 9,234.84, 13,850.28 and 2,659.80

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Solution

The fourth proportional to 9,234.84, 13,850.28 and 2,659.80 is: 3,989.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,234.84 : 13,850.28 = 2,659.80 : x
  2. Step 2: Convert to fraction form
    9,234.84/13,850.28 = 2,659.80/x
  3. Step 3: Cross multiply
    9,234.84x = 13,850.28 × 2,659.80
  4. Step 4: Simplify right side
    9,234.84x = 36,838,974.74
  5. Step 5: Solve for x
    x = 36,838,974.74/9,234.84
  6. Step 6: Final answer
    x = 3,989.13

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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.