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Finding the Fourth Proportional to 35.68, 49.20 and 33.52

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Solution

The fourth proportional to 35.68, 49.20 and 33.52 is: 46.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.68 : 49.20 = 33.52 : x
  2. Step 2: Convert to fraction form
    35.68/49.20 = 33.52/x
  3. Step 3: Cross multiply
    35.68x = 49.20 × 33.52
  4. Step 4: Simplify right side
    35.68x = 1,649.18
  5. Step 5: Solve for x
    x = 1,649.18/35.68
  6. Step 6: Final answer
    x = 46.22

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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.