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Finding the Fourth Proportional to 32.36, 48.44 and 31.59

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Solution

The fourth proportional to 32.36, 48.44 and 31.59 is: 47.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.36 : 48.44 = 31.59 : x
  2. Step 2: Convert to fraction form
    32.36/48.44 = 31.59/x
  3. Step 3: Cross multiply
    32.36x = 48.44 × 31.59
  4. Step 4: Simplify right side
    32.36x = 1,530.30
  5. Step 5: Solve for x
    x = 1,530.30/32.36
  6. Step 6: Final answer
    x = 47.29

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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.