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Finding the Fourth Proportional to 38.99, 58.33 and 35.24

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Solution

The fourth proportional to 38.99, 58.33 and 35.24 is: 52.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38.99 : 58.33 = 35.24 : x
  2. Step 2: Convert to fraction form
    38.99/58.33 = 35.24/x
  3. Step 3: Cross multiply
    38.99x = 58.33 × 35.24
  4. Step 4: Simplify right side
    38.99x = 2,055.61
  5. Step 5: Solve for x
    x = 2,055.61/38.99
  6. Step 6: Final answer
    x = 52.72

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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.