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Finding the Fourth Proportional to 35.59, 49.11 and 22.48

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Solution

The fourth proportional to 35.59, 49.11 and 22.48 is: 31.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.59 : 49.11 = 22.48 : x
  2. Step 2: Convert to fraction form
    35.59/49.11 = 22.48/x
  3. Step 3: Cross multiply
    35.59x = 49.11 × 22.48
  4. Step 4: Simplify right side
    35.59x = 1,103.99
  5. Step 5: Solve for x
    x = 1,103.99/35.59
  6. Step 6: Final answer
    x = 31.02

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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.