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Finding the Fourth Proportional to 38.16, 52.69 and 24.37

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Solution

The fourth proportional to 38.16, 52.69 and 24.37 is: 33.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38.16 : 52.69 = 24.37 : x
  2. Step 2: Convert to fraction form
    38.16/52.69 = 24.37/x
  3. Step 3: Cross multiply
    38.16x = 52.69 × 24.37
  4. Step 4: Simplify right side
    38.16x = 1,284.06
  5. Step 5: Solve for x
    x = 1,284.06/38.16
  6. Step 6: Final answer
    x = 33.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.