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Finding the Fourth Proportional to 32.76, 49.16 and 14.74

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Solution

The fourth proportional to 32.76, 49.16 and 14.74 is: 22.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.76 : 49.16 = 14.74 : x
  2. Step 2: Convert to fraction form
    32.76/49.16 = 14.74/x
  3. Step 3: Cross multiply
    32.76x = 49.16 × 14.74
  4. Step 4: Simplify right side
    32.76x = 724.62
  5. Step 5: Solve for x
    x = 724.62/32.76
  6. Step 6: Final answer
    x = 22.12

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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.