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Finding the Fourth Proportional to 7,330.74, 10,996.10 and 2,947.17

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Solution

The fourth proportional to 7,330.74, 10,996.10 and 2,947.17 is: 4,420.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,330.74 : 10,996.10 = 2,947.17 : x
  2. Step 2: Convert to fraction form
    7,330.74/10,996.10 = 2,947.17/x
  3. Step 3: Cross multiply
    7,330.74x = 10,996.10 × 2,947.17
  4. Step 4: Simplify right side
    7,330.74x = 32,407,355.88
  5. Step 5: Solve for x
    x = 32,407,355.88/7,330.74
  6. Step 6: Final answer
    x = 4,420.75

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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.