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Finding the Fourth Proportional to 23.70, 32.67 and 23.70

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Solution

The fourth proportional to 23.70, 32.67 and 23.70 is: 32.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.70 : 32.67 = 23.70 : x
  2. Step 2: Convert to fraction form
    23.70/32.67 = 23.70/x
  3. Step 3: Cross multiply
    23.70x = 32.67 × 23.70
  4. Step 4: Simplify right side
    23.70x = 774.28
  5. Step 5: Solve for x
    x = 774.28/23.70
  6. Step 6: Final answer
    x = 32.67

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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.