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Finding the Fourth Proportional to 59.81, 82.53 and 33.58

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Solution

The fourth proportional to 59.81, 82.53 and 33.58 is: 46.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.81 : 82.53 = 33.58 : x
  2. Step 2: Convert to fraction form
    59.81/82.53 = 33.58/x
  3. Step 3: Cross multiply
    59.81x = 82.53 × 33.58
  4. Step 4: Simplify right side
    59.81x = 2,771.25
  5. Step 5: Solve for x
    x = 2,771.25/59.81
  6. Step 6: Final answer
    x = 46.34

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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.