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Finding the Fourth Proportional to 32.64, 44.97 and 25.76

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Solution

The fourth proportional to 32.64, 44.97 and 25.76 is: 35.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.64 : 44.97 = 25.76 : x
  2. Step 2: Convert to fraction form
    32.64/44.97 = 25.76/x
  3. Step 3: Cross multiply
    32.64x = 44.97 × 25.76
  4. Step 4: Simplify right side
    32.64x = 1,158.20
  5. Step 5: Solve for x
    x = 1,158.20/32.64
  6. Step 6: Final answer
    x = 35.48

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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.