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Finding the Fourth Proportional to 12,065.52, 18,085.82 and 5,049.62

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Solution

The fourth proportional to 12,065.52, 18,085.82 and 5,049.62 is: 7,569.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,065.52 : 18,085.82 = 5,049.62 : x
  2. Step 2: Convert to fraction form
    12,065.52/18,085.82 = 5,049.62/x
  3. Step 3: Cross multiply
    12,065.52x = 18,085.82 × 5,049.62
  4. Step 4: Simplify right side
    12,065.52x = 91,326,518.39
  5. Step 5: Solve for x
    x = 91,326,518.39/12,065.52
  6. Step 6: Final answer
    x = 7,569.22

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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.