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Finding the Fourth Proportional to 7,168.56, 10,752.84 and 1,974.84

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Solution

The fourth proportional to 7,168.56, 10,752.84 and 1,974.84 is: 2,962.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,168.56 : 10,752.84 = 1,974.84 : x
  2. Step 2: Convert to fraction form
    7,168.56/10,752.84 = 1,974.84/x
  3. Step 3: Cross multiply
    7,168.56x = 10,752.84 × 1,974.84
  4. Step 4: Simplify right side
    7,168.56x = 21,235,138.55
  5. Step 5: Solve for x
    x = 21,235,138.55/7,168.56
  6. Step 6: Final answer
    x = 2,962.26

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Similar ratio
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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.