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Finding the Fourth Proportional to 36,777.74, 55,097.00 and 21,739.83

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Solution

The fourth proportional to 36,777.74, 55,097.00 and 21,739.83 is: 32,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,777.74 : 55,097.00 = 21,739.83 : x
  2. Step 2: Convert to fraction form
    36,777.74/55,097.00 = 21,739.83/x
  3. Step 3: Cross multiply
    36,777.74x = 55,097.00 × 21,739.83
  4. Step 4: Simplify right side
    36,777.74x = 1,197,799,304.81
  5. Step 5: Solve for x
    x = 1,197,799,304.81/36,777.74
  6. Step 6: Final answer
    x = 32,568.60

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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.