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Finding the Fourth Proportional to 62.25, 93.37 and 16.60

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Solution

The fourth proportional to 62.25, 93.37 and 16.60 is: 24.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.25 : 93.37 = 16.60 : x
  2. Step 2: Convert to fraction form
    62.25/93.37 = 16.60/x
  3. Step 3: Cross multiply
    62.25x = 93.37 × 16.60
  4. Step 4: Simplify right side
    62.25x = 1,549.94
  5. Step 5: Solve for x
    x = 1,549.94/62.25
  6. Step 6: Final answer
    x = 24.90

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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.