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Finding the Fourth Proportional to 35,788.92, 49,388.81 and 19,873.41

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Solution

The fourth proportional to 35,788.92, 49,388.81 and 19,873.41 is: 27,425.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,788.92 : 49,388.81 = 19,873.41 : x
  2. Step 2: Convert to fraction form
    35,788.92/49,388.81 = 19,873.41/x
  3. Step 3: Cross multiply
    35,788.92x = 49,388.81 × 19,873.41
  4. Step 4: Simplify right side
    35,788.92x = 981,524,070.54
  5. Step 5: Solve for x
    x = 981,524,070.54/35,788.92
  6. Step 6: Final answer
    x = 27,425.36

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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.