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Finding the Fourth Proportional to 7,173.72, 10,760.90 and 2,243.46

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Solution

The fourth proportional to 7,173.72, 10,760.90 and 2,243.46 is: 3,365.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,173.72 : 10,760.90 = 2,243.46 : x
  2. Step 2: Convert to fraction form
    7,173.72/10,760.90 = 2,243.46/x
  3. Step 3: Cross multiply
    7,173.72x = 10,760.90 × 2,243.46
  4. Step 4: Simplify right side
    7,173.72x = 24,141,648.71
  5. Step 5: Solve for x
    x = 24,141,648.71/7,173.72
  6. Step 6: Final answer
    x = 3,365.29

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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.