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Finding the Fourth Proportional to 18,559.50, 27,843.57 and 6,247.50

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Solution

The fourth proportional to 18,559.50, 27,843.57 and 6,247.50 is: 9,372.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,559.50 : 27,843.57 = 6,247.50 : x
  2. Step 2: Convert to fraction form
    18,559.50/27,843.57 = 6,247.50/x
  3. Step 3: Cross multiply
    18,559.50x = 27,843.57 × 6,247.50
  4. Step 4: Simplify right side
    18,559.50x = 173,952,703.58
  5. Step 5: Solve for x
    x = 173,952,703.58/18,559.50
  6. Step 6: Final answer
    x = 9,372.70

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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.