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Finding the Fourth Proportional to 5,374.79, 8,060.74 and 1,478.27

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Solution

The fourth proportional to 5,374.79, 8,060.74 and 1,478.27 is: 2,217.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,374.79 : 8,060.74 = 1,478.27 : x
  2. Step 2: Convert to fraction form
    5,374.79/8,060.74 = 1,478.27/x
  3. Step 3: Cross multiply
    5,374.79x = 8,060.74 × 1,478.27
  4. Step 4: Simplify right side
    5,374.79x = 11,915,906.12
  5. Step 5: Solve for x
    x = 11,915,906.12/5,374.79
  6. Step 6: Final answer
    x = 2,217.00

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.