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Finding the Fourth Proportional to 23.43, 32 and 23.23

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Solution

The fourth proportional to 23.43, 32 and 23.23 is: 31.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.43 : 32 = 23.23 : x
  2. Step 2: Convert to fraction form
    23.43/32 = 23.23/x
  3. Step 3: Cross multiply
    23.43x = 32 × 23.23
  4. Step 4: Simplify right side
    23.43x = 743.36
  5. Step 5: Solve for x
    x = 743.36/23.43
  6. Step 6: Final answer
    x = 31.73

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1.5x scale

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.