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Finding the Fourth Proportional to 59,872.84, 82,629.44 and 33,020.60

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Solution

The fourth proportional to 59,872.84, 82,629.44 and 33,020.60 is: 45,571.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,872.84 : 82,629.44 = 33,020.60 : x
  2. Step 2: Convert to fraction form
    59,872.84/82,629.44 = 33,020.60/x
  3. Step 3: Cross multiply
    59,872.84x = 82,629.44 × 33,020.60
  4. Step 4: Simplify right side
    59,872.84x = 2,728,473,686.46
  5. Step 5: Solve for x
    x = 2,728,473,686.46/59,872.84
  6. Step 6: Final answer
    x = 45,571.14

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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.