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Finding the Fourth Proportional to 12,176.52, 18,260.52 and 3,409.08

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Solution

The fourth proportional to 12,176.52, 18,260.52 and 3,409.08 is: 5,112.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,176.52 : 18,260.52 = 3,409.08 : x
  2. Step 2: Convert to fraction form
    12,176.52/18,260.52 = 3,409.08/x
  3. Step 3: Cross multiply
    12,176.52x = 18,260.52 × 3,409.08
  4. Step 4: Simplify right side
    12,176.52x = 62,251,573.52
  5. Step 5: Solve for x
    x = 62,251,573.52/12,176.52
  6. Step 6: Final answer
    x = 5,112.43

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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.