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Finding the Fourth Proportional to 45.14, 62.36 and 34.82

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Solution

The fourth proportional to 45.14, 62.36 and 34.82 is: 48.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45.14 : 62.36 = 34.82 : x
  2. Step 2: Convert to fraction form
    45.14/62.36 = 34.82/x
  3. Step 3: Cross multiply
    45.14x = 62.36 × 34.82
  4. Step 4: Simplify right side
    45.14x = 2,171.38
  5. Step 5: Solve for x
    x = 2,171.38/45.14
  6. Step 6: Final answer
    x = 48.10

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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.