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Finding the Fourth Proportional to 39.44, 59.16 and 35.48

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Solution

The fourth proportional to 39.44, 59.16 and 35.48 is: 53.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39.44 : 59.16 = 35.48 : x
  2. Step 2: Convert to fraction form
    39.44/59.16 = 35.48/x
  3. Step 3: Cross multiply
    39.44x = 59.16 × 35.48
  4. Step 4: Simplify right side
    39.44x = 2,099.00
  5. Step 5: Solve for x
    x = 2,099.00/39.44
  6. Step 6: Final answer
    x = 53.22

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Why These Related Problems?

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