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Finding the Fourth Proportional to 7,173.80, 10,760.70 and 2,243.46

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Solution

The fourth proportional to 7,173.80, 10,760.70 and 2,243.46 is: 3,365.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,173.80 : 10,760.70 = 2,243.46 : x
  2. Step 2: Convert to fraction form
    7,173.80/10,760.70 = 2,243.46/x
  3. Step 3: Cross multiply
    7,173.80x = 10,760.70 × 2,243.46
  4. Step 4: Simplify right side
    7,173.80x = 24,141,200.02
  5. Step 5: Solve for x
    x = 24,141,200.02/7,173.80
  6. Step 6: Final answer
    x = 3,365.19

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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.