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Finding the Fourth Proportional to 7,174.80, 10,762.20 and 2,244.48

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Solution

The fourth proportional to 7,174.80, 10,762.20 and 2,244.48 is: 3,366.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,174.80 : 10,762.20 = 2,244.48 : x
  2. Step 2: Convert to fraction form
    7,174.80/10,762.20 = 2,244.48/x
  3. Step 3: Cross multiply
    7,174.80x = 10,762.20 × 2,244.48
  4. Step 4: Simplify right side
    7,174.80x = 24,155,542.66
  5. Step 5: Solve for x
    x = 24,155,542.66/7,174.80
  6. Step 6: Final answer
    x = 3,366.72

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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.