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Finding the Fourth Proportional to 35,940.68, 49,598.01 and 20,836.41

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Solution

The fourth proportional to 35,940.68, 49,598.01 and 20,836.41 is: 28,754.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,940.68 : 49,598.01 = 20,836.41 : x
  2. Step 2: Convert to fraction form
    35,940.68/49,598.01 = 20,836.41/x
  3. Step 3: Cross multiply
    35,940.68x = 49,598.01 × 20,836.41
  4. Step 4: Simplify right side
    35,940.68x = 1,033,444,471.54
  5. Step 5: Solve for x
    x = 1,033,444,471.54/35,940.68
  6. Step 6: Final answer
    x = 28,754.18

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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.