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Finding the Fourth Proportional to 23.59, 32.37 and 23.18

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Solution

The fourth proportional to 23.59, 32.37 and 23.18 is: 31.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.59 : 32.37 = 23.18 : x
  2. Step 2: Convert to fraction form
    23.59/32.37 = 23.18/x
  3. Step 3: Cross multiply
    23.59x = 32.37 × 23.18
  4. Step 4: Simplify right side
    23.59x = 750.30
  5. Step 5: Solve for x
    x = 750.30/23.59
  6. Step 6: Final answer
    x = 31.81

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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.