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Finding the Fourth Proportional to 7,326.75, 10,991.87 and 2,396.39

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Solution

The fourth proportional to 7,326.75, 10,991.87 and 2,396.39 is: 3,595.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,326.75 : 10,991.87 = 2,396.39 : x
  2. Step 2: Convert to fraction form
    7,326.75/10,991.87 = 2,396.39/x
  3. Step 3: Cross multiply
    7,326.75x = 10,991.87 × 2,396.39
  4. Step 4: Simplify right side
    7,326.75x = 26,340,740.41
  5. Step 5: Solve for x
    x = 26,340,740.41/7,326.75
  6. Step 6: Final answer
    x = 3,595.15

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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.