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Finding the Fourth Proportional to 7,892.62, 10,891.23 and 4,535.44

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Solution

The fourth proportional to 7,892.62, 10,891.23 and 4,535.44 is: 6,258.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,892.62 : 10,891.23 = 4,535.44 : x
  2. Step 2: Convert to fraction form
    7,892.62/10,891.23 = 4,535.44/x
  3. Step 3: Cross multiply
    7,892.62x = 10,891.23 × 4,535.44
  4. Step 4: Simplify right side
    7,892.62x = 49,396,531.53
  5. Step 5: Solve for x
    x = 49,396,531.53/7,892.62
  6. Step 6: Final answer
    x = 6,258.57

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1.5x scale

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.