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Finding the Fourth Proportional to 49, 73.84 and 41.56

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Solution

The fourth proportional to 49, 73.84 and 41.56 is: 62.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    49 : 73.84 = 41.56 : x
  2. Step 2: Convert to fraction form
    49/73.84 = 41.56/x
  3. Step 3: Cross multiply
    49x = 73.84 × 41.56
  4. Step 4: Simplify right side
    49x = 3,068.79
  5. Step 5: Solve for x
    x = 3,068.79/49
  6. Step 6: Final answer
    x = 62.63

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.