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Finding the Fourth Proportional to 8,974.10, 12,384.15 and 5,248.10

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Solution

The fourth proportional to 8,974.10, 12,384.15 and 5,248.10 is: 7,242.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,974.10 : 12,384.15 = 5,248.10 : x
  2. Step 2: Convert to fraction form
    8,974.10/12,384.15 = 5,248.10/x
  3. Step 3: Cross multiply
    8,974.10x = 12,384.15 × 5,248.10
  4. Step 4: Simplify right side
    8,974.10x = 64,993,257.62
  5. Step 5: Solve for x
    x = 64,993,257.62/8,974.10
  6. Step 6: Final answer
    x = 7,242.31

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.