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Finding the Fourth Proportional to 35.57, 49.10 and 22.63

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Solution

The fourth proportional to 35.57, 49.10 and 22.63 is: 31.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.57 : 49.10 = 22.63 : x
  2. Step 2: Convert to fraction form
    35.57/49.10 = 22.63/x
  3. Step 3: Cross multiply
    35.57x = 49.10 × 22.63
  4. Step 4: Simplify right side
    35.57x = 1,110.77
  5. Step 5: Solve for x
    x = 1,110.77/35.57
  6. Step 6: Final answer
    x = 31.23

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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.