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Finding the Fourth Proportional to 6,372.54, 9,558.90 and 5,442.12

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Solution

The fourth proportional to 6,372.54, 9,558.90 and 5,442.12 is: 8,163.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,372.54 : 9,558.90 = 5,442.12 : x
  2. Step 2: Convert to fraction form
    6,372.54/9,558.90 = 5,442.12/x
  3. Step 3: Cross multiply
    6,372.54x = 9,558.90 × 5,442.12
  4. Step 4: Simplify right side
    6,372.54x = 52,020,680.87
  5. Step 5: Solve for x
    x = 52,020,680.87/6,372.54
  6. Step 6: Final answer
    x = 8,163.26

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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.