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Finding the Fourth Proportional to 23.59, 32.40 and 23.39

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Solution

The fourth proportional to 23.59, 32.40 and 23.39 is: 32.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.59 : 32.40 = 23.39 : x
  2. Step 2: Convert to fraction form
    23.59/32.40 = 23.39/x
  3. Step 3: Cross multiply
    23.59x = 32.40 × 23.39
  4. Step 4: Simplify right side
    23.59x = 757.80
  5. Step 5: Solve for x
    x = 757.80/23.59
  6. Step 6: Final answer
    x = 32.12

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.