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Finding the Fourth Proportional to 59,356.79, 81,912.43 and 33,515.56

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Solution

The fourth proportional to 59,356.79, 81,912.43 and 33,515.56 is: 46,251.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,356.79 : 81,912.43 = 33,515.56 : x
  2. Step 2: Convert to fraction form
    59,356.79/81,912.43 = 33,515.56/x
  3. Step 3: Cross multiply
    59,356.79x = 81,912.43 × 33,515.56
  4. Step 4: Simplify right side
    59,356.79x = 2,745,340,962.41
  5. Step 5: Solve for x
    x = 2,745,340,962.41/59,356.79
  6. Step 6: Final answer
    x = 46,251.51

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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.