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Finding the Fourth Proportional to 32.94, 49.17 and 30.09

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Solution

The fourth proportional to 32.94, 49.17 and 30.09 is: 44.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.94 : 49.17 = 30.09 : x
  2. Step 2: Convert to fraction form
    32.94/49.17 = 30.09/x
  3. Step 3: Cross multiply
    32.94x = 49.17 × 30.09
  4. Step 4: Simplify right side
    32.94x = 1,479.53
  5. Step 5: Solve for x
    x = 1,479.53/32.94
  6. Step 6: Final answer
    x = 44.92

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.