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Finding the Fourth Proportional to 59.12, 88.14 and 50.46

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Solution

The fourth proportional to 59.12, 88.14 and 50.46 is: 75.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.12 : 88.14 = 50.46 : x
  2. Step 2: Convert to fraction form
    59.12/88.14 = 50.46/x
  3. Step 3: Cross multiply
    59.12x = 88.14 × 50.46
  4. Step 4: Simplify right side
    59.12x = 4,447.54
  5. Step 5: Solve for x
    x = 4,447.54/59.12
  6. Step 6: Final answer
    x = 75.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.