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Finding the Fourth Proportional to 39.93, 59.74 and 24.67

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Solution

The fourth proportional to 39.93, 59.74 and 24.67 is: 36.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39.93 : 59.74 = 24.67 : x
  2. Step 2: Convert to fraction form
    39.93/59.74 = 24.67/x
  3. Step 3: Cross multiply
    39.93x = 59.74 × 24.67
  4. Step 4: Simplify right side
    39.93x = 1,473.80
  5. Step 5: Solve for x
    x = 1,473.80/39.93
  6. Step 6: Final answer
    x = 36.91

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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.