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Finding the Fourth Proportional to 18,237.42, 27,352.49 and 5,755.32

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Solution

The fourth proportional to 18,237.42, 27,352.49 and 5,755.32 is: 8,631.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,237.42 : 27,352.49 = 5,755.32 : x
  2. Step 2: Convert to fraction form
    18,237.42/27,352.49 = 5,755.32/x
  3. Step 3: Cross multiply
    18,237.42x = 27,352.49 × 5,755.32
  4. Step 4: Simplify right side
    18,237.42x = 157,422,303.97
  5. Step 5: Solve for x
    x = 157,422,303.97/18,237.42
  6. Step 6: Final answer
    x = 8,631.83

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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.