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Finding the Fourth Proportional to 62.75, 93.93 and 46.49

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Solution

The fourth proportional to 62.75, 93.93 and 46.49 is: 69.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.75 : 93.93 = 46.49 : x
  2. Step 2: Convert to fraction form
    62.75/93.93 = 46.49/x
  3. Step 3: Cross multiply
    62.75x = 93.93 × 46.49
  4. Step 4: Simplify right side
    62.75x = 4,366.81
  5. Step 5: Solve for x
    x = 4,366.81/62.75
  6. Step 6: Final answer
    x = 69.59

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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.