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Finding the Fourth Proportional to 18,335.25, 27,506.87 and 10,441.50

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Solution

The fourth proportional to 18,335.25, 27,506.87 and 10,441.50 is: 15,664.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,335.25 : 27,506.87 = 10,441.50 : x
  2. Step 2: Convert to fraction form
    18,335.25/27,506.87 = 10,441.50/x
  3. Step 3: Cross multiply
    18,335.25x = 27,506.87 × 10,441.50
  4. Step 4: Simplify right side
    18,335.25x = 287,212,983.11
  5. Step 5: Solve for x
    x = 287,212,983.11/18,335.25
  6. Step 6: Final answer
    x = 15,664.53

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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.