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Finding the Fourth Proportional to 27,812.97, 41,722.01 and 9,093.10

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Solution

The fourth proportional to 27,812.97, 41,722.01 and 9,093.10 is: 13,640.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,812.97 : 41,722.01 = 9,093.10 : x
  2. Step 2: Convert to fraction form
    27,812.97/41,722.01 = 9,093.10/x
  3. Step 3: Cross multiply
    27,812.97x = 41,722.01 × 9,093.10
  4. Step 4: Simplify right side
    27,812.97x = 379,382,409.13
  5. Step 5: Solve for x
    x = 379,382,409.13/27,812.97
  6. Step 6: Final answer
    x = 13,640.49

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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.