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Finding the Fourth Proportional to 62.37, 93.54 and 16.72

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Solution

The fourth proportional to 62.37, 93.54 and 16.72 is: 25.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.37 : 93.54 = 16.72 : x
  2. Step 2: Convert to fraction form
    62.37/93.54 = 16.72/x
  3. Step 3: Cross multiply
    62.37x = 93.54 × 16.72
  4. Step 4: Simplify right side
    62.37x = 1,563.72
  5. Step 5: Solve for x
    x = 1,563.72/62.37
  6. Step 6: Final answer
    x = 25.07

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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.