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Finding the Fourth Proportional to 8,231.10, 12,346.65 and 7,550.70

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Solution

The fourth proportional to 8,231.10, 12,346.65 and 7,550.70 is: 11,326.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,231.10 : 12,346.65 = 7,550.70 : x
  2. Step 2: Convert to fraction form
    8,231.10/12,346.65 = 7,550.70/x
  3. Step 3: Cross multiply
    8,231.10x = 12,346.65 × 7,550.70
  4. Step 4: Simplify right side
    8,231.10x = 93,225,850.16
  5. Step 5: Solve for x
    x = 93,225,850.16/8,231.10
  6. Step 6: Final answer
    x = 11,326.05

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Similar ratio
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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.