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Finding the Fourth Proportional to 45.46, 62.62 and 33.16

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Solution

The fourth proportional to 45.46, 62.62 and 33.16 is: 45.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45.46 : 62.62 = 33.16 : x
  2. Step 2: Convert to fraction form
    45.46/62.62 = 33.16/x
  3. Step 3: Cross multiply
    45.46x = 62.62 × 33.16
  4. Step 4: Simplify right side
    45.46x = 2,076.54
  5. Step 5: Solve for x
    x = 2,076.54/45.46
  6. Step 6: Final answer
    x = 45.68

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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.