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Finding the Fourth Proportional to 62.23, 93.22 and 46.99

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Solution

The fourth proportional to 62.23, 93.22 and 46.99 is: 70.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.23 : 93.22 = 46.99 : x
  2. Step 2: Convert to fraction form
    62.23/93.22 = 46.99/x
  3. Step 3: Cross multiply
    62.23x = 93.22 × 46.99
  4. Step 4: Simplify right side
    62.23x = 4,380.41
  5. Step 5: Solve for x
    x = 4,380.41/62.23
  6. Step 6: Final answer
    x = 70.39

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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.