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Finding the Fourth Proportional to 39.39, 59.01 and 33.36

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Solution

The fourth proportional to 39.39, 59.01 and 33.36 is: 49.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39.39 : 59.01 = 33.36 : x
  2. Step 2: Convert to fraction form
    39.39/59.01 = 33.36/x
  3. Step 3: Cross multiply
    39.39x = 59.01 × 33.36
  4. Step 4: Simplify right side
    39.39x = 1,968.57
  5. Step 5: Solve for x
    x = 1,968.57/39.39
  6. Step 6: Final answer
    x = 49.98

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.