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Finding the Fourth Proportional to 8,468.79, 12,703.55 and 2,625.27

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Solution

The fourth proportional to 8,468.79, 12,703.55 and 2,625.27 is: 3,938.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,468.79 : 12,703.55 = 2,625.27 : x
  2. Step 2: Convert to fraction form
    8,468.79/12,703.55 = 2,625.27/x
  3. Step 3: Cross multiply
    8,468.79x = 12,703.55 × 2,625.27
  4. Step 4: Simplify right side
    8,468.79x = 33,350,235.58
  5. Step 5: Solve for x
    x = 33,350,235.58/8,468.79
  6. Step 6: Final answer
    x = 3,938.02

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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.