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Finding the Fourth Proportional to 59.81, 82.49 and 35.24

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Solution

The fourth proportional to 59.81, 82.49 and 35.24 is: 48.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.81 : 82.49 = 35.24 : x
  2. Step 2: Convert to fraction form
    59.81/82.49 = 35.24/x
  3. Step 3: Cross multiply
    59.81x = 82.49 × 35.24
  4. Step 4: Simplify right side
    59.81x = 2,906.36
  5. Step 5: Solve for x
    x = 2,906.36/59.81
  6. Step 6: Final answer
    x = 48.60

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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.