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Finding the Fourth Proportional to 32.83, 49.21 and 14.77

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Solution

The fourth proportional to 32.83, 49.21 and 14.77 is: 22.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.83 : 49.21 = 14.77 : x
  2. Step 2: Convert to fraction form
    32.83/49.21 = 14.77/x
  3. Step 3: Cross multiply
    32.83x = 49.21 × 14.77
  4. Step 4: Simplify right side
    32.83x = 726.86
  5. Step 5: Solve for x
    x = 726.86/32.83
  6. Step 6: Final answer
    x = 22.14

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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.