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Finding the Fourth Proportional to 5,387.92, 8,064.60 and 4,606.48

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Solution

The fourth proportional to 5,387.92, 8,064.60 and 4,606.48 is: 6,894.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387.92 : 8,064.60 = 4,606.48 : x
  2. Step 2: Convert to fraction form
    5,387.92/8,064.60 = 4,606.48/x
  3. Step 3: Cross multiply
    5,387.92x = 8,064.60 × 4,606.48
  4. Step 4: Simplify right side
    5,387.92x = 37,149,418.61
  5. Step 5: Solve for x
    x = 37,149,418.61/5,387.92
  6. Step 6: Final answer
    x = 6,894.95

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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.