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Finding the Fourth Proportional to 18,396.41, 27,594.80 and 9,648.41

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Solution

The fourth proportional to 18,396.41, 27,594.80 and 9,648.41 is: 14,472.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,396.41 : 27,594.80 = 9,648.41 : x
  2. Step 2: Convert to fraction form
    18,396.41/27,594.80 = 9,648.41/x
  3. Step 3: Cross multiply
    18,396.41x = 27,594.80 × 9,648.41
  4. Step 4: Simplify right side
    18,396.41x = 266,245,758.05
  5. Step 5: Solve for x
    x = 266,245,758.05/18,396.41
  6. Step 6: Final answer
    x = 14,472.71

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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.