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Finding the Fourth Proportional to 8,298.18, 12,443.76 and 2,750.04

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Solution

The fourth proportional to 8,298.18, 12,443.76 and 2,750.04 is: 4,123.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,298.18 : 12,443.76 = 2,750.04 : x
  2. Step 2: Convert to fraction form
    8,298.18/12,443.76 = 2,750.04/x
  3. Step 3: Cross multiply
    8,298.18x = 12,443.76 × 2,750.04
  4. Step 4: Simplify right side
    8,298.18x = 34,220,837.75
  5. Step 5: Solve for x
    x = 34,220,837.75/8,298.18
  6. Step 6: Final answer
    x = 4,123.90

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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.