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Finding the Fourth Proportional to 18,248.88, 27,372.84 and 5,100.96

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Solution

The fourth proportional to 18,248.88, 27,372.84 and 5,100.96 is: 7,651.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,248.88 : 27,372.84 = 5,100.96 : x
  2. Step 2: Convert to fraction form
    18,248.88/27,372.84 = 5,100.96/x
  3. Step 3: Cross multiply
    18,248.88x = 27,372.84 × 5,100.96
  4. Step 4: Simplify right side
    18,248.88x = 139,627,761.93
  5. Step 5: Solve for x
    x = 139,627,761.93/18,248.88
  6. Step 6: Final answer
    x = 7,651.31

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1.5x scale

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.