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Finding the Fourth Proportional to 27,398.77, 37,836.42 and 25,906.12

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Solution

The fourth proportional to 27,398.77, 37,836.42 and 25,906.12 is: 35,775.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,398.77 : 37,836.42 = 25,906.12 : x
  2. Step 2: Convert to fraction form
    27,398.77/37,836.42 = 25,906.12/x
  3. Step 3: Cross multiply
    27,398.77x = 37,836.42 × 25,906.12
  4. Step 4: Simplify right side
    27,398.77x = 980,195,003.70
  5. Step 5: Solve for x
    x = 980,195,003.70/27,398.77
  6. Step 6: Final answer
    x = 35,775.14

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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.