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Finding the Fourth Proportional to 75.37, 103.96 and 46.24

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Solution

The fourth proportional to 75.37, 103.96 and 46.24 is: 63.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    75.37 : 103.96 = 46.24 : x
  2. Step 2: Convert to fraction form
    75.37/103.96 = 46.24/x
  3. Step 3: Cross multiply
    75.37x = 103.96 × 46.24
  4. Step 4: Simplify right side
    75.37x = 4,807.11
  5. Step 5: Solve for x
    x = 4,807.11/75.37
  6. Step 6: Final answer
    x = 63.78

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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.