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Finding the Fourth Proportional to 18,347.26, 27,520.88 and 4,496.26

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Solution

The fourth proportional to 18,347.26, 27,520.88 and 4,496.26 is: 6,744.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,347.26 : 27,520.88 = 4,496.26 : x
  2. Step 2: Convert to fraction form
    18,347.26/27,520.88 = 4,496.26/x
  3. Step 3: Cross multiply
    18,347.26x = 27,520.88 × 4,496.26
  4. Step 4: Simplify right side
    18,347.26x = 123,741,031.91
  5. Step 5: Solve for x
    x = 123,741,031.91/18,347.26
  6. Step 6: Final answer
    x = 6,744.39

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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.