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Finding the Fourth Proportional to 23.32, 32.35 and 22.11

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Solution

The fourth proportional to 23.32, 32.35 and 22.11 is: 30.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.32 : 32.35 = 22.11 : x
  2. Step 2: Convert to fraction form
    23.32/32.35 = 22.11/x
  3. Step 3: Cross multiply
    23.32x = 32.35 × 22.11
  4. Step 4: Simplify right side
    23.32x = 715.26
  5. Step 5: Solve for x
    x = 715.26/23.32
  6. Step 6: Final answer
    x = 30.67

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.