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Finding the Fourth Proportional to 32.84, 48.97 and 31.04

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Solution

The fourth proportional to 32.84, 48.97 and 31.04 is: 46.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.84 : 48.97 = 31.04 : x
  2. Step 2: Convert to fraction form
    32.84/48.97 = 31.04/x
  3. Step 3: Cross multiply
    32.84x = 48.97 × 31.04
  4. Step 4: Simplify right side
    32.84x = 1,520.14
  5. Step 5: Solve for x
    x = 1,520.14/32.84
  6. Step 6: Final answer
    x = 46.29

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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.