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Finding the Fourth Proportional to 43.88, 60.58 and 33

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Solution

The fourth proportional to 43.88, 60.58 and 33 is: 45.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    43.88 : 60.58 = 33 : x
  2. Step 2: Convert to fraction form
    43.88/60.58 = 33/x
  3. Step 3: Cross multiply
    43.88x = 60.58 × 33
  4. Step 4: Simplify right side
    43.88x = 1,999.14
  5. Step 5: Solve for x
    x = 1,999.14/43.88
  6. Step 6: Final answer
    x = 45.56

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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.