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Finding the Fourth Proportional to 59.11, 88.57 and 50.11

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Solution

The fourth proportional to 59.11, 88.57 and 50.11 is: 75.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.11 : 88.57 = 50.11 : x
  2. Step 2: Convert to fraction form
    59.11/88.57 = 50.11/x
  3. Step 3: Cross multiply
    59.11x = 88.57 × 50.11
  4. Step 4: Simplify right side
    59.11x = 4,438.24
  5. Step 5: Solve for x
    x = 4,438.24/59.11
  6. Step 6: Final answer
    x = 75.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.