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Finding the Fourth Proportional to 7,330.20, 10,995.30 and 2,065.20

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Solution

The fourth proportional to 7,330.20, 10,995.30 and 2,065.20 is: 3,097.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,330.20 : 10,995.30 = 2,065.20 : x
  2. Step 2: Convert to fraction form
    7,330.20/10,995.30 = 2,065.20/x
  3. Step 3: Cross multiply
    7,330.20x = 10,995.30 × 2,065.20
  4. Step 4: Simplify right side
    7,330.20x = 22,707,493.56
  5. Step 5: Solve for x
    x = 22,707,493.56/7,330.20
  6. Step 6: Final answer
    x = 3,097.80

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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.