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Finding the Fourth Proportional to 32.01, 44.47 and 31.63

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Solution

The fourth proportional to 32.01, 44.47 and 31.63 is: 43.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.01 : 44.47 = 31.63 : x
  2. Step 2: Convert to fraction form
    32.01/44.47 = 31.63/x
  3. Step 3: Cross multiply
    32.01x = 44.47 × 31.63
  4. Step 4: Simplify right side
    32.01x = 1,406.59
  5. Step 5: Solve for x
    x = 1,406.59/32.01
  6. Step 6: Final answer
    x = 43.94

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.