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Finding the Fourth Proportional to 7,330.28, 10,998.14 and 2,947.16

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Solution

The fourth proportional to 7,330.28, 10,998.14 and 2,947.16 is: 4,421.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,330.28 : 10,998.14 = 2,947.16 : x
  2. Step 2: Convert to fraction form
    7,330.28/10,998.14 = 2,947.16/x
  3. Step 3: Cross multiply
    7,330.28x = 10,998.14 × 2,947.16
  4. Step 4: Simplify right side
    7,330.28x = 32,413,278.28
  5. Step 5: Solve for x
    x = 32,413,278.28/7,330.28
  6. Step 6: Final answer
    x = 4,421.83

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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.