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Finding the Fourth Proportional to 7,396.56, 10,205 and 4,452.56

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Solution

The fourth proportional to 7,396.56, 10,205 and 4,452.56 is: 6,143.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,396.56 : 10,205 = 4,452.56 : x
  2. Step 2: Convert to fraction form
    7,396.56/10,205 = 4,452.56/x
  3. Step 3: Cross multiply
    7,396.56x = 10,205 × 4,452.56
  4. Step 4: Simplify right side
    7,396.56x = 45,438,374.80
  5. Step 5: Solve for x
    x = 45,438,374.80/7,396.56
  6. Step 6: Final answer
    x = 6,143.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.