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Finding the Fourth Proportional to 52.91, 79.34 and 22.06

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Solution

The fourth proportional to 52.91, 79.34 and 22.06 is: 33.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52.91 : 79.34 = 22.06 : x
  2. Step 2: Convert to fraction form
    52.91/79.34 = 22.06/x
  3. Step 3: Cross multiply
    52.91x = 79.34 × 22.06
  4. Step 4: Simplify right side
    52.91x = 1,750.31
  5. Step 5: Solve for x
    x = 1,750.31/52.91
  6. Step 6: Final answer
    x = 33.08

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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.