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Finding the Fourth Proportional to 8,472.94, 12,707.18 and 2,548.24

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Solution

The fourth proportional to 8,472.94, 12,707.18 and 2,548.24 is: 3,821.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,472.94 : 12,707.18 = 2,548.24 : x
  2. Step 2: Convert to fraction form
    8,472.94/12,707.18 = 2,548.24/x
  3. Step 3: Cross multiply
    8,472.94x = 12,707.18 × 2,548.24
  4. Step 4: Simplify right side
    8,472.94x = 32,380,944.36
  5. Step 5: Solve for x
    x = 32,380,944.36/8,472.94
  6. Step 6: Final answer
    x = 3,821.69

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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.