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Finding the Fourth Proportional to 23.65, 35.50 and 23.57

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Solution

The fourth proportional to 23.65, 35.50 and 23.57 is: 35.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.65 : 35.50 = 23.57 : x
  2. Step 2: Convert to fraction form
    23.65/35.50 = 23.57/x
  3. Step 3: Cross multiply
    23.65x = 35.50 × 23.57
  4. Step 4: Simplify right side
    23.65x = 836.56
  5. Step 5: Solve for x
    x = 836.56/23.65
  6. Step 6: Final answer
    x = 35.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.