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Finding the Fourth Proportional to 32.08, 44.25 and 19.64

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Solution

The fourth proportional to 32.08, 44.25 and 19.64 is: 27.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.08 : 44.25 = 19.64 : x
  2. Step 2: Convert to fraction form
    32.08/44.25 = 19.64/x
  3. Step 3: Cross multiply
    32.08x = 44.25 × 19.64
  4. Step 4: Simplify right side
    32.08x = 868.95
  5. Step 5: Solve for x
    x = 868.95/32.08
  6. Step 6: Final answer
    x = 27.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.