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Finding the Fourth Proportional to 49.44, 74.25 and 32.37

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Solution

The fourth proportional to 49.44, 74.25 and 32.37 is: 48.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.44 : 74.25 = 32.37 : x
  2. Step 2: Convert to fraction form
    49.44/74.25 = 32.37/x
  3. Step 3: Cross multiply
    49.44x = 74.25 × 32.37
  4. Step 4: Simplify right side
    49.44x = 2,403.19
  5. Step 5: Solve for x
    x = 2,403.19/49.44
  6. Step 6: Final answer
    x = 48.60

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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.