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Finding the Fourth Proportional to 62.29, 93.45 and 16.65

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Solution

The fourth proportional to 62.29, 93.45 and 16.65 is: 24.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.29 : 93.45 = 16.65 : x
  2. Step 2: Convert to fraction form
    62.29/93.45 = 16.65/x
  3. Step 3: Cross multiply
    62.29x = 93.45 × 16.65
  4. Step 4: Simplify right side
    62.29x = 1,555.60
  5. Step 5: Solve for x
    x = 1,555.60/62.29
  6. Step 6: Final answer
    x = 24.97

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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.