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Finding the Fourth Proportional to 23.70, 32.63 and 22.82

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Solution

The fourth proportional to 23.70, 32.63 and 22.82 is: 31.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.70 : 32.63 = 22.82 : x
  2. Step 2: Convert to fraction form
    23.70/32.63 = 22.82/x
  3. Step 3: Cross multiply
    23.70x = 32.63 × 22.82
  4. Step 4: Simplify right side
    23.70x = 744.34
  5. Step 5: Solve for x
    x = 744.34/23.70
  6. Step 6: Final answer
    x = 31.41

Related Problems

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.