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Finding the Fourth Proportional to 14.86, 22.28 and 5.83

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Solution

The fourth proportional to 14.86, 22.28 and 5.83 is: 8.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14.86 : 22.28 = 5.83 : x
  2. Step 2: Convert to fraction form
    14.86/22.28 = 5.83/x
  3. Step 3: Cross multiply
    14.86x = 22.28 × 5.83
  4. Step 4: Simplify right side
    14.86x = 129.86
  5. Step 5: Solve for x
    x = 129.86/14.86
  6. Step 6: Final answer
    x = 8.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.