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Finding the Fourth Proportional to 27.32, 41.01 and 16.64

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Solution

The fourth proportional to 27.32, 41.01 and 16.64 is: 24.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27.32 : 41.01 = 16.64 : x
  2. Step 2: Convert to fraction form
    27.32/41.01 = 16.64/x
  3. Step 3: Cross multiply
    27.32x = 41.01 × 16.64
  4. Step 4: Simplify right side
    27.32x = 682.41
  5. Step 5: Solve for x
    x = 682.41/27.32
  6. Step 6: Final answer
    x = 24.98

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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.