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Finding the Fourth Proportional to 12,018.52, 18,027.88 and 3,253.52

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Solution

The fourth proportional to 12,018.52, 18,027.88 and 3,253.52 is: 4,880.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,018.52 : 18,027.88 = 3,253.52 : x
  2. Step 2: Convert to fraction form
    12,018.52/18,027.88 = 3,253.52/x
  3. Step 3: Cross multiply
    12,018.52x = 18,027.88 × 3,253.52
  4. Step 4: Simplify right side
    12,018.52x = 58,654,068.14
  5. Step 5: Solve for x
    x = 58,654,068.14/12,018.52
  6. Step 6: Final answer
    x = 4,880.31

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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.