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Finding the Fourth Proportional to 35.20, 48.48 and 32.17

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Solution

The fourth proportional to 35.20, 48.48 and 32.17 is: 44.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.20 : 48.48 = 32.17 : x
  2. Step 2: Convert to fraction form
    35.20/48.48 = 32.17/x
  3. Step 3: Cross multiply
    35.20x = 48.48 × 32.17
  4. Step 4: Simplify right side
    35.20x = 1,559.60
  5. Step 5: Solve for x
    x = 1,559.60/35.20
  6. Step 6: Final answer
    x = 44.31

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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.