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Finding the Fourth Proportional to 7,236.25, 10,848.22 and 6,891.80

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Solution

The fourth proportional to 7,236.25, 10,848.22 and 6,891.80 is: 10,331.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,236.25 : 10,848.22 = 6,891.80 : x
  2. Step 2: Convert to fraction form
    7,236.25/10,848.22 = 6,891.80/x
  3. Step 3: Cross multiply
    7,236.25x = 10,848.22 × 6,891.80
  4. Step 4: Simplify right side
    7,236.25x = 74,763,691.13
  5. Step 5: Solve for x
    x = 74,763,691.13/7,236.25
  6. Step 6: Final answer
    x = 10,331.83

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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.