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Finding the Fourth Proportional to 65,952.73, 91,028.52 and 60,639.13

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Solution

The fourth proportional to 65,952.73, 91,028.52 and 60,639.13 is: 83,694.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,952.73 : 91,028.52 = 60,639.13 : x
  2. Step 2: Convert to fraction form
    65,952.73/91,028.52 = 60,639.13/x
  3. Step 3: Cross multiply
    65,952.73x = 91,028.52 × 60,639.13
  4. Step 4: Simplify right side
    65,952.73x = 5,519,890,257.99
  5. Step 5: Solve for x
    x = 5,519,890,257.99/65,952.73
  6. Step 6: Final answer
    x = 83,694.64

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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.