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Finding the Fourth Proportional to 59,912.94, 82,681.44 and 33,055.80

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Solution

The fourth proportional to 59,912.94, 82,681.44 and 33,055.80 is: 45,617.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,912.94 : 82,681.44 = 33,055.80 : x
  2. Step 2: Convert to fraction form
    59,912.94/82,681.44 = 33,055.80/x
  3. Step 3: Cross multiply
    59,912.94x = 82,681.44 × 33,055.80
  4. Step 4: Simplify right side
    59,912.94x = 2,733,101,144.35
  5. Step 5: Solve for x
    x = 2,733,101,144.35/59,912.94
  6. Step 6: Final answer
    x = 45,617.88

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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.