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Finding the Fourth Proportional to 6,456.56, 8,912.78 and 4,363.52

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Solution

The fourth proportional to 6,456.56, 8,912.78 and 4,363.52 is: 6,023.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,456.56 : 8,912.78 = 4,363.52 : x
  2. Step 2: Convert to fraction form
    6,456.56/8,912.78 = 4,363.52/x
  3. Step 3: Cross multiply
    6,456.56x = 8,912.78 × 4,363.52
  4. Step 4: Simplify right side
    6,456.56x = 38,891,093.79
  5. Step 5: Solve for x
    x = 38,891,093.79/6,456.56
  6. Step 6: Final answer
    x = 6,023.50

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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.