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Finding the Fourth Proportional to 59.97, 82.74 and 35.43

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Solution

The fourth proportional to 59.97, 82.74 and 35.43 is: 48.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.97 : 82.74 = 35.43 : x
  2. Step 2: Convert to fraction form
    59.97/82.74 = 35.43/x
  3. Step 3: Cross multiply
    59.97x = 82.74 × 35.43
  4. Step 4: Simplify right side
    59.97x = 2,931.48
  5. Step 5: Solve for x
    x = 2,931.48/59.97
  6. Step 6: Final answer
    x = 48.88

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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.