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Finding the Fourth Proportional to 7,167.45, 10,754.21 and 3,472.43

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Solution

The fourth proportional to 7,167.45, 10,754.21 and 3,472.43 is: 5,210.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,167.45 : 10,754.21 = 3,472.43 : x
  2. Step 2: Convert to fraction form
    7,167.45/10,754.21 = 3,472.43/x
  3. Step 3: Cross multiply
    7,167.45x = 10,754.21 × 3,472.43
  4. Step 4: Simplify right side
    7,167.45x = 37,343,170.30
  5. Step 5: Solve for x
    x = 37,343,170.30/7,167.45
  6. Step 6: Final answer
    x = 5,210.11

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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.