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Finding the Fourth Proportional to 32.68, 48.92 and 23.64

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Solution

The fourth proportional to 32.68, 48.92 and 23.64 is: 35.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.68 : 48.92 = 23.64 : x
  2. Step 2: Convert to fraction form
    32.68/48.92 = 23.64/x
  3. Step 3: Cross multiply
    32.68x = 48.92 × 23.64
  4. Step 4: Simplify right side
    32.68x = 1,156.47
  5. Step 5: Solve for x
    x = 1,156.47/32.68
  6. Step 6: Final answer
    x = 35.39

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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.