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Finding the Fourth Proportional to 27,989.84, 41,984.76 and 26,279.12

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Solution

The fourth proportional to 27,989.84, 41,984.76 and 26,279.12 is: 39,418.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,989.84 : 41,984.76 = 26,279.12 : x
  2. Step 2: Convert to fraction form
    27,989.84/41,984.76 = 26,279.12/x
  3. Step 3: Cross multiply
    27,989.84x = 41,984.76 × 26,279.12
  4. Step 4: Simplify right side
    27,989.84x = 1,103,322,546.21
  5. Step 5: Solve for x
    x = 1,103,322,546.21/27,989.84
  6. Step 6: Final answer
    x = 39,418.68

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Similar ratio
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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.