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Finding the Fourth Proportional to 6,540.48, 9,029.07 and 4,455.54

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Solution

The fourth proportional to 6,540.48, 9,029.07 and 4,455.54 is: 6,150.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,540.48 : 9,029.07 = 4,455.54 : x
  2. Step 2: Convert to fraction form
    6,540.48/9,029.07 = 4,455.54/x
  3. Step 3: Cross multiply
    6,540.48x = 9,029.07 × 4,455.54
  4. Step 4: Simplify right side
    6,540.48x = 40,229,382.55
  5. Step 5: Solve for x
    x = 40,229,382.55/6,540.48
  6. Step 6: Final answer
    x = 6,150.83

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