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Finding the Fourth Proportional to 62.18, 93.62 and 46.28

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Solution

The fourth proportional to 62.18, 93.62 and 46.28 is: 69.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.18 : 93.62 = 46.28 : x
  2. Step 2: Convert to fraction form
    62.18/93.62 = 46.28/x
  3. Step 3: Cross multiply
    62.18x = 93.62 × 46.28
  4. Step 4: Simplify right side
    62.18x = 4,332.73
  5. Step 5: Solve for x
    x = 4,332.73/62.18
  6. Step 6: Final answer
    x = 69.68

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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.