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Finding the Fourth Proportional to 8,253.15, 12,381.56 and 4,095.42

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Solution

The fourth proportional to 8,253.15, 12,381.56 and 4,095.42 is: 6,144.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,253.15 : 12,381.56 = 4,095.42 : x
  2. Step 2: Convert to fraction form
    8,253.15/12,381.56 = 4,095.42/x
  3. Step 3: Cross multiply
    8,253.15x = 12,381.56 × 4,095.42
  4. Step 4: Simplify right side
    8,253.15x = 50,707,667.98
  5. Step 5: Solve for x
    x = 50,707,667.98/8,253.15
  6. Step 6: Final answer
    x = 6,144.04

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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.