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Finding the Fourth Proportional to 52.04, 71.44 and 50.06

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Solution

The fourth proportional to 52.04, 71.44 and 50.06 is: 68.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52.04 : 71.44 = 50.06 : x
  2. Step 2: Convert to fraction form
    52.04/71.44 = 50.06/x
  3. Step 3: Cross multiply
    52.04x = 71.44 × 50.06
  4. Step 4: Simplify right side
    52.04x = 3,576.29
  5. Step 5: Solve for x
    x = 3,576.29/52.04
  6. Step 6: Final answer
    x = 68.72

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.