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Finding the Fourth Proportional to 52.94, 79.41 and 22.08

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Solution

The fourth proportional to 52.94, 79.41 and 22.08 is: 33.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    52.94 : 79.41 = 22.08 : x
  2. Step 2: Convert to fraction form
    52.94/79.41 = 22.08/x
  3. Step 3: Cross multiply
    52.94x = 79.41 × 22.08
  4. Step 4: Simplify right side
    52.94x = 1,753.14
  5. Step 5: Solve for x
    x = 1,753.14/52.94
  6. Step 6: Final answer
    x = 33.12

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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.