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Finding the Fourth Proportional to 23.96, 35.64 and 23.70

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Solution

The fourth proportional to 23.96, 35.64 and 23.70 is: 35.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.96 : 35.64 = 23.70 : x
  2. Step 2: Convert to fraction form
    23.96/35.64 = 23.70/x
  3. Step 3: Cross multiply
    23.96x = 35.64 × 23.70
  4. Step 4: Simplify right side
    23.96x = 844.67
  5. Step 5: Solve for x
    x = 844.67/23.96
  6. Step 6: Final answer
    x = 35.25

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.