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Finding the Fourth Proportional to 15.24, 22.99 and 14.92

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Solution

The fourth proportional to 15.24, 22.99 and 14.92 is: 22.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15.24 : 22.99 = 14.92 : x
  2. Step 2: Convert to fraction form
    15.24/22.99 = 14.92/x
  3. Step 3: Cross multiply
    15.24x = 22.99 × 14.92
  4. Step 4: Simplify right side
    15.24x = 343.01
  5. Step 5: Solve for x
    x = 343.01/15.24
  6. Step 6: Final answer
    x = 22.51

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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.