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Finding the Fourth Proportional to 35.33, 48.77 and 22.89

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Solution

The fourth proportional to 35.33, 48.77 and 22.89 is: 31.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.33 : 48.77 = 22.89 : x
  2. Step 2: Convert to fraction form
    35.33/48.77 = 22.89/x
  3. Step 3: Cross multiply
    35.33x = 48.77 × 22.89
  4. Step 4: Simplify right side
    35.33x = 1,116.23
  5. Step 5: Solve for x
    x = 1,116.23/35.33
  6. Step 6: Final answer
    x = 31.60

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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.