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Finding the Fourth Proportional to 18,193.76, 27,291.41 and 6,348.72

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Solution

The fourth proportional to 18,193.76, 27,291.41 and 6,348.72 is: 9,523.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,193.76 : 27,291.41 = 6,348.72 : x
  2. Step 2: Convert to fraction form
    18,193.76/27,291.41 = 6,348.72/x
  3. Step 3: Cross multiply
    18,193.76x = 27,291.41 × 6,348.72
  4. Step 4: Simplify right side
    18,193.76x = 173,265,488.75
  5. Step 5: Solve for x
    x = 173,265,488.75/18,193.76
  6. Step 6: Final answer
    x = 9,523.35

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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.