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Finding the Fourth Proportional to 12,296.08, 16,970.11 and 7,515.04

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Solution

The fourth proportional to 12,296.08, 16,970.11 and 7,515.04 is: 10,371.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,296.08 : 16,970.11 = 7,515.04 : x
  2. Step 2: Convert to fraction form
    12,296.08/16,970.11 = 7,515.04/x
  3. Step 3: Cross multiply
    12,296.08x = 16,970.11 × 7,515.04
  4. Step 4: Simplify right side
    12,296.08x = 127,530,951.82
  5. Step 5: Solve for x
    x = 127,530,951.82/12,296.08
  6. Step 6: Final answer
    x = 10,371.68

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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.