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Finding the Fourth Proportional to 62.49, 93.64 and 48.97

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Solution

The fourth proportional to 62.49, 93.64 and 48.97 is: 73.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.49 : 93.64 = 48.97 : x
  2. Step 2: Convert to fraction form
    62.49/93.64 = 48.97/x
  3. Step 3: Cross multiply
    62.49x = 93.64 × 48.97
  4. Step 4: Simplify right side
    62.49x = 4,584.84
  5. Step 5: Solve for x
    x = 4,584.84/62.49
  6. Step 6: Final answer
    x = 73.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.