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Finding the Fourth Proportional to 12,424.64, 17,146.24 and 6,759.52

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Solution

The fourth proportional to 12,424.64, 17,146.24 and 6,759.52 is: 9,328.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,424.64 : 17,146.24 = 6,759.52 : x
  2. Step 2: Convert to fraction form
    12,424.64/17,146.24 = 6,759.52/x
  3. Step 3: Cross multiply
    12,424.64x = 17,146.24 × 6,759.52
  4. Step 4: Simplify right side
    12,424.64x = 115,900,292.44
  5. Step 5: Solve for x
    x = 115,900,292.44/12,424.64
  6. Step 6: Final answer
    x = 9,328.27

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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.