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Finding the Fourth Proportional to 32, 48.02 and 18.48

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Solution

The fourth proportional to 32, 48.02 and 18.48 is: 27.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    32 : 48.02 = 18.48 : x
  2. Step 2: Convert to fraction form
    32/48.02 = 18.48/x
  3. Step 3: Cross multiply
    32x = 48.02 × 18.48
  4. Step 4: Simplify right side
    32x = 887.41
  5. Step 5: Solve for x
    x = 887.41/32
  6. Step 6: Final answer
    x = 27.73

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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.