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Finding the Fourth Proportional to 32,921.80, 49,309.80 and 27,089.80

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Solution

The fourth proportional to 32,921.80, 49,309.80 and 27,089.80 is: 40,574.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,921.80 : 49,309.80 = 27,089.80 : x
  2. Step 2: Convert to fraction form
    32,921.80/49,309.80 = 27,089.80/x
  3. Step 3: Cross multiply
    32,921.80x = 49,309.80 × 27,089.80
  4. Step 4: Simplify right side
    32,921.80x = 1,335,792,620.04
  5. Step 5: Solve for x
    x = 1,335,792,620.04/32,921.80
  6. Step 6: Final answer
    x = 40,574.71

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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.