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Finding the Fourth Proportional to 79.24, 109.33 and 46.04

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Solution

The fourth proportional to 79.24, 109.33 and 46.04 is: 63.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    79.24 : 109.33 = 46.04 : x
  2. Step 2: Convert to fraction form
    79.24/109.33 = 46.04/x
  3. Step 3: Cross multiply
    79.24x = 109.33 × 46.04
  4. Step 4: Simplify right side
    79.24x = 5,033.22
  5. Step 5: Solve for x
    x = 5,033.22/79.24
  6. Step 6: Final answer
    x = 63.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.