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Finding the Fourth Proportional to 59.37, 88.94 and 45.86

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Solution

The fourth proportional to 59.37, 88.94 and 45.86 is: 68.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.37 : 88.94 = 45.86 : x
  2. Step 2: Convert to fraction form
    59.37/88.94 = 45.86/x
  3. Step 3: Cross multiply
    59.37x = 88.94 × 45.86
  4. Step 4: Simplify right side
    59.37x = 4,078.79
  5. Step 5: Solve for x
    x = 4,078.79/59.37
  6. Step 6: Final answer
    x = 68.70

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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.