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Finding the Fourth Proportional to 40,707.99, 61,339.28 and 33,474.49

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Solution

The fourth proportional to 40,707.99, 61,339.28 and 33,474.49 is: 50,439.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,707.99 : 61,339.28 = 33,474.49 : x
  2. Step 2: Convert to fraction form
    40,707.99/61,339.28 = 33,474.49/x
  3. Step 3: Cross multiply
    40,707.99x = 61,339.28 × 33,474.49
  4. Step 4: Simplify right side
    40,707.99x = 2,053,300,794.25
  5. Step 5: Solve for x
    x = 2,053,300,794.25/40,707.99
  6. Step 6: Final answer
    x = 50,439.75

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.