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Finding the Fourth Proportional to 40.96, 56.54 and 32.24

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Solution

The fourth proportional to 40.96, 56.54 and 32.24 is: 44.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40.96 : 56.54 = 32.24 : x
  2. Step 2: Convert to fraction form
    40.96/56.54 = 32.24/x
  3. Step 3: Cross multiply
    40.96x = 56.54 × 32.24
  4. Step 4: Simplify right side
    40.96x = 1,822.41
  5. Step 5: Solve for x
    x = 1,822.41/40.96
  6. Step 6: Final answer
    x = 44.50

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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.