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Finding the Fourth Proportional to 25.92, 35.76 and 24.24

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Solution

The fourth proportional to 25.92, 35.76 and 24.24 is: 33.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.92 : 35.76 = 24.24 : x
  2. Step 2: Convert to fraction form
    25.92/35.76 = 24.24/x
  3. Step 3: Cross multiply
    25.92x = 35.76 × 24.24
  4. Step 4: Simplify right side
    25.92x = 866.82
  5. Step 5: Solve for x
    x = 866.82/25.92
  6. Step 6: Final answer
    x = 33.44

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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.