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Finding the Fourth Proportional to 5,375.16, 8,025.11 and 5,045.56

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Solution

The fourth proportional to 5,375.16, 8,025.11 and 5,045.56 is: 7,533.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.16 : 8,025.11 = 5,045.56 : x
  2. Step 2: Convert to fraction form
    5,375.16/8,025.11 = 5,045.56/x
  3. Step 3: Cross multiply
    5,375.16x = 8,025.11 × 5,045.56
  4. Step 4: Simplify right side
    5,375.16x = 40,491,174.01
  5. Step 5: Solve for x
    x = 40,491,174.01/5,375.16
  6. Step 6: Final answer
    x = 7,533.02

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.