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Finding the Fourth Proportional to 84,032.77, 126,067.89 and 36,655.57

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Solution

The fourth proportional to 84,032.77, 126,067.89 and 36,655.57 is: 54,991.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,032.77 : 126,067.89 = 36,655.57 : x
  2. Step 2: Convert to fraction form
    84,032.77/126,067.89 = 36,655.57/x
  3. Step 3: Cross multiply
    84,032.77x = 126,067.89 × 36,655.57
  4. Step 4: Simplify right side
    84,032.77x = 4,621,090,366.65
  5. Step 5: Solve for x
    x = 4,621,090,366.65/84,032.77
  6. Step 6: Final answer
    x = 54,991.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.