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Finding the Fourth Proportional to 45.54, 62.87 and 33.26

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Solution

The fourth proportional to 45.54, 62.87 and 33.26 is: 45.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    45.54 : 62.87 = 33.26 : x
  2. Step 2: Convert to fraction form
    45.54/62.87 = 33.26/x
  3. Step 3: Cross multiply
    45.54x = 62.87 × 33.26
  4. Step 4: Simplify right side
    45.54x = 2,090.58
  5. Step 5: Solve for x
    x = 2,090.58/45.54
  6. Step 6: Final answer
    x = 45.91

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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.