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Finding the Fourth Proportional to 7,240.56, 10,859.42 and 2,308.88

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Solution

The fourth proportional to 7,240.56, 10,859.42 and 2,308.88 is: 3,462.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,240.56 : 10,859.42 = 2,308.88 : x
  2. Step 2: Convert to fraction form
    7,240.56/10,859.42 = 2,308.88/x
  3. Step 3: Cross multiply
    7,240.56x = 10,859.42 × 2,308.88
  4. Step 4: Simplify right side
    7,240.56x = 25,073,097.65
  5. Step 5: Solve for x
    x = 25,073,097.65/7,240.56
  6. Step 6: Final answer
    x = 3,462.87

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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.