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Finding the Fourth Proportional to 15.08, 22.76 and 14.92

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Solution

The fourth proportional to 15.08, 22.76 and 14.92 is: 22.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15.08 : 22.76 = 14.92 : x
  2. Step 2: Convert to fraction form
    15.08/22.76 = 14.92/x
  3. Step 3: Cross multiply
    15.08x = 22.76 × 14.92
  4. Step 4: Simplify right side
    15.08x = 339.58
  5. Step 5: Solve for x
    x = 339.58/15.08
  6. Step 6: Final answer
    x = 22.52

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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.