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Finding the Fourth Proportional to 27,813.55, 41,722.88 and 9,093.68

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Solution

The fourth proportional to 27,813.55, 41,722.88 and 9,093.68 is: 13,641.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,813.55 : 41,722.88 = 9,093.68 : x
  2. Step 2: Convert to fraction form
    27,813.55/41,722.88 = 9,093.68/x
  3. Step 3: Cross multiply
    27,813.55x = 41,722.88 × 9,093.68
  4. Step 4: Simplify right side
    27,813.55x = 379,414,473.93
  5. Step 5: Solve for x
    x = 379,414,473.93/27,813.55
  6. Step 6: Final answer
    x = 13,641.36

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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.