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Finding the Fourth Proportional to 32.74, 49.10 and 25.53

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Solution

The fourth proportional to 32.74, 49.10 and 25.53 is: 38.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.74 : 49.10 = 25.53 : x
  2. Step 2: Convert to fraction form
    32.74/49.10 = 25.53/x
  3. Step 3: Cross multiply
    32.74x = 49.10 × 25.53
  4. Step 4: Simplify right side
    32.74x = 1,253.35
  5. Step 5: Solve for x
    x = 1,253.35/32.74
  6. Step 6: Final answer
    x = 38.28

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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.