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Finding the Fourth Proportional to 59.27, 88.93 and 45.86

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Solution

The fourth proportional to 59.27, 88.93 and 45.86 is: 68.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.27 : 88.93 = 45.86 : x
  2. Step 2: Convert to fraction form
    59.27/88.93 = 45.86/x
  3. Step 3: Cross multiply
    59.27x = 88.93 × 45.86
  4. Step 4: Simplify right side
    59.27x = 4,077.99
  5. Step 5: Solve for x
    x = 4,077.99/59.27
  6. Step 6: Final answer
    x = 68.81

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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.