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Finding the Fourth Proportional to 52.52, 72.54 and 50.93

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Solution

The fourth proportional to 52.52, 72.54 and 50.93 is: 70.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    52.52 : 72.54 = 50.93 : x
  2. Step 2: Convert to fraction form
    52.52/72.54 = 50.93/x
  3. Step 3: Cross multiply
    52.52x = 72.54 × 50.93
  4. Step 4: Simplify right side
    52.52x = 3,694.10
  5. Step 5: Solve for x
    x = 3,694.10/52.52
  6. Step 6: Final answer
    x = 70.34

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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.