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Finding the Fourth Proportional to 23.46, 32.16 and 22.96

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Solution

The fourth proportional to 23.46, 32.16 and 22.96 is: 31.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.46 : 32.16 = 22.96 : x
  2. Step 2: Convert to fraction form
    23.46/32.16 = 22.96/x
  3. Step 3: Cross multiply
    23.46x = 32.16 × 22.96
  4. Step 4: Simplify right side
    23.46x = 738.39
  5. Step 5: Solve for x
    x = 738.39/23.46
  6. Step 6: Final answer
    x = 31.47

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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.