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Finding the Fourth Proportional to 39.83, 59.73 and 32.33

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Solution

The fourth proportional to 39.83, 59.73 and 32.33 is: 48.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39.83 : 59.73 = 32.33 : x
  2. Step 2: Convert to fraction form
    39.83/59.73 = 32.33/x
  3. Step 3: Cross multiply
    39.83x = 59.73 × 32.33
  4. Step 4: Simplify right side
    39.83x = 1,930.77
  5. Step 5: Solve for x
    x = 1,930.77/39.83
  6. Step 6: Final answer
    x = 48.48

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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.