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Finding the Fourth Proportional to 18,264.44, 27,400.35 and 7,734.44

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Solution

The fourth proportional to 18,264.44, 27,400.35 and 7,734.44 is: 11,603.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,264.44 : 27,400.35 = 7,734.44 : x
  2. Step 2: Convert to fraction form
    18,264.44/27,400.35 = 7,734.44/x
  3. Step 3: Cross multiply
    18,264.44x = 27,400.35 × 7,734.44
  4. Step 4: Simplify right side
    18,264.44x = 211,926,363.05
  5. Step 5: Solve for x
    x = 211,926,363.05/18,264.44
  6. Step 6: Final answer
    x = 11,603.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.