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Finding the Fourth Proportional to 27,388.88, 37,797.79 and 15,452.17

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Solution

The fourth proportional to 27,388.88, 37,797.79 and 15,452.17 is: 21,324.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,388.88 : 37,797.79 = 15,452.17 : x
  2. Step 2: Convert to fraction form
    27,388.88/37,797.79 = 15,452.17/x
  3. Step 3: Cross multiply
    27,388.88x = 37,797.79 × 15,452.17
  4. Step 4: Simplify right side
    27,388.88x = 584,057,772.55
  5. Step 5: Solve for x
    x = 584,057,772.55/27,388.88
  6. Step 6: Final answer
    x = 21,324.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.