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Finding the Fourth Proportional to 23.35, 32.25 and 22

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Solution

The fourth proportional to 23.35, 32.25 and 22 is: 30.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.35 : 32.25 = 22 : x
  2. Step 2: Convert to fraction form
    23.35/32.25 = 22/x
  3. Step 3: Cross multiply
    23.35x = 32.25 × 22
  4. Step 4: Simplify right side
    23.35x = 709.50
  5. Step 5: Solve for x
    x = 709.50/23.35
  6. Step 6: Final answer
    x = 30.39

Related Problems

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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.