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Finding the Fourth Proportional to 59.85, 82.51 and 37.98

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Solution

The fourth proportional to 59.85, 82.51 and 37.98 is: 52.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.85 : 82.51 = 37.98 : x
  2. Step 2: Convert to fraction form
    59.85/82.51 = 37.98/x
  3. Step 3: Cross multiply
    59.85x = 82.51 × 37.98
  4. Step 4: Simplify right side
    59.85x = 3,133.73
  5. Step 5: Solve for x
    x = 3,133.73/59.85
  6. Step 6: Final answer
    x = 52.36

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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.