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Finding the Fourth Proportional to 32.72, 49.29 and 24.75

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Solution

The fourth proportional to 32.72, 49.29 and 24.75 is: 37.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.72 : 49.29 = 24.75 : x
  2. Step 2: Convert to fraction form
    32.72/49.29 = 24.75/x
  3. Step 3: Cross multiply
    32.72x = 49.29 × 24.75
  4. Step 4: Simplify right side
    32.72x = 1,219.83
  5. Step 5: Solve for x
    x = 1,219.83/32.72
  6. Step 6: Final answer
    x = 37.29

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.