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Finding the Fourth Proportional to 25.17, 37.93 and 23.69

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Solution

The fourth proportional to 25.17, 37.93 and 23.69 is: 35.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.17 : 37.93 = 23.69 : x
  2. Step 2: Convert to fraction form
    25.17/37.93 = 23.69/x
  3. Step 3: Cross multiply
    25.17x = 37.93 × 23.69
  4. Step 4: Simplify right side
    25.17x = 898.56
  5. Step 5: Solve for x
    x = 898.56/25.17
  6. Step 6: Final answer
    x = 35.70

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.