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Finding the Fourth Proportional to 59.48, 82.06 and 50.26

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Solution

The fourth proportional to 59.48, 82.06 and 50.26 is: 69.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.48 : 82.06 = 50.26 : x
  2. Step 2: Convert to fraction form
    59.48/82.06 = 50.26/x
  3. Step 3: Cross multiply
    59.48x = 82.06 × 50.26
  4. Step 4: Simplify right side
    59.48x = 4,124.34
  5. Step 5: Solve for x
    x = 4,124.34/59.48
  6. Step 6: Final answer
    x = 69.34

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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.