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Finding the Fourth Proportional to 7,892.35, 11,839.16 and 2,627.17

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Solution

The fourth proportional to 7,892.35, 11,839.16 and 2,627.17 is: 3,940.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,892.35 : 11,839.16 = 2,627.17 : x
  2. Step 2: Convert to fraction form
    7,892.35/11,839.16 = 2,627.17/x
  3. Step 3: Cross multiply
    7,892.35x = 11,839.16 × 2,627.17
  4. Step 4: Simplify right side
    7,892.35x = 31,103,462.95
  5. Step 5: Solve for x
    x = 31,103,462.95/7,892.35
  6. Step 6: Final answer
    x = 3,940.96

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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.