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Finding the Fourth Proportional to 27,608.40, 41,363.80 and 26,694.80

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Solution

The fourth proportional to 27,608.40, 41,363.80 and 26,694.80 is: 39,995.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,608.40 : 41,363.80 = 26,694.80 : x
  2. Step 2: Convert to fraction form
    27,608.40/41,363.80 = 26,694.80/x
  3. Step 3: Cross multiply
    27,608.40x = 41,363.80 × 26,694.80
  4. Step 4: Simplify right side
    27,608.40x = 1,104,198,368.24
  5. Step 5: Solve for x
    x = 1,104,198,368.24/27,608.40
  6. Step 6: Final answer
    x = 39,995.01

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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.