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Finding the Fourth Proportional to 52.04, 71.66 and 43.84

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Solution

The fourth proportional to 52.04, 71.66 and 43.84 is: 60.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52.04 : 71.66 = 43.84 : x
  2. Step 2: Convert to fraction form
    52.04/71.66 = 43.84/x
  3. Step 3: Cross multiply
    52.04x = 71.66 × 43.84
  4. Step 4: Simplify right side
    52.04x = 3,141.57
  5. Step 5: Solve for x
    x = 3,141.57/52.04
  6. Step 6: Final answer
    x = 60.37

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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.