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Finding the Fourth Proportional to 28.92, 43.59 and 24.96

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Solution

The fourth proportional to 28.92, 43.59 and 24.96 is: 37.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28.92 : 43.59 = 24.96 : x
  2. Step 2: Convert to fraction form
    28.92/43.59 = 24.96/x
  3. Step 3: Cross multiply
    28.92x = 43.59 × 24.96
  4. Step 4: Simplify right side
    28.92x = 1,088.01
  5. Step 5: Solve for x
    x = 1,088.01/28.92
  6. Step 6: Final answer
    x = 37.62

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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.