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Finding the Fourth Proportional to 7,149.99, 10,723.28 and 2,470.16

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Solution

The fourth proportional to 7,149.99, 10,723.28 and 2,470.16 is: 3,704.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,149.99 : 10,723.28 = 2,470.16 : x
  2. Step 2: Convert to fraction form
    7,149.99/10,723.28 = 2,470.16/x
  3. Step 3: Cross multiply
    7,149.99x = 10,723.28 × 2,470.16
  4. Step 4: Simplify right side
    7,149.99x = 26,488,231.78
  5. Step 5: Solve for x
    x = 26,488,231.78/7,149.99
  6. Step 6: Final answer
    x = 3,704.65

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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.