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Finding the Fourth Proportional to 45.36, 62.68 and 41.04

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Solution

The fourth proportional to 45.36, 62.68 and 41.04 is: 56.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45.36 : 62.68 = 41.04 : x
  2. Step 2: Convert to fraction form
    45.36/62.68 = 41.04/x
  3. Step 3: Cross multiply
    45.36x = 62.68 × 41.04
  4. Step 4: Simplify right side
    45.36x = 2,572.39
  5. Step 5: Solve for x
    x = 2,572.39/45.36
  6. Step 6: Final answer
    x = 56.71

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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.