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Finding the Fourth Proportional to 27,696.17, 41,551.07 and 12,914.79

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Solution

The fourth proportional to 27,696.17, 41,551.07 and 12,914.79 is: 19,375.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,696.17 : 41,551.07 = 12,914.79 : x
  2. Step 2: Convert to fraction form
    27,696.17/41,551.07 = 12,914.79/x
  3. Step 3: Cross multiply
    27,696.17x = 41,551.07 × 12,914.79
  4. Step 4: Simplify right side
    27,696.17x = 536,623,278.75
  5. Step 5: Solve for x
    x = 536,623,278.75/27,696.17
  6. Step 6: Final answer
    x = 19,375.36

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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.