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Finding the Fourth Proportional to 52.89, 73.03 and 34.46

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Solution

The fourth proportional to 52.89, 73.03 and 34.46 is: 47.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52.89 : 73.03 = 34.46 : x
  2. Step 2: Convert to fraction form
    52.89/73.03 = 34.46/x
  3. Step 3: Cross multiply
    52.89x = 73.03 × 34.46
  4. Step 4: Simplify right side
    52.89x = 2,516.40
  5. Step 5: Solve for x
    x = 2,516.40/52.89
  6. Step 6: Final answer
    x = 47.58

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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.