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Finding the Fourth Proportional to 35.22, 48.51 and 33.11

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Solution

The fourth proportional to 35.22, 48.51 and 33.11 is: 45.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.22 : 48.51 = 33.11 : x
  2. Step 2: Convert to fraction form
    35.22/48.51 = 33.11/x
  3. Step 3: Cross multiply
    35.22x = 48.51 × 33.11
  4. Step 4: Simplify right side
    35.22x = 1,605.92
  5. Step 5: Solve for x
    x = 1,605.92/35.22
  6. Step 6: Final answer
    x = 45.60

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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.