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Finding the Fourth Proportional to 38.16, 52.49 and 35.93

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Solution

The fourth proportional to 38.16, 52.49 and 35.93 is: 49.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38.16 : 52.49 = 35.93 : x
  2. Step 2: Convert to fraction form
    38.16/52.49 = 35.93/x
  3. Step 3: Cross multiply
    38.16x = 52.49 × 35.93
  4. Step 4: Simplify right side
    38.16x = 1,885.52
  5. Step 5: Solve for x
    x = 1,885.52/38.16
  6. Step 6: Final answer
    x = 49.41

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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.