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Finding the Fourth Proportional to 59.26, 88.91 and 36.45

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Solution

The fourth proportional to 59.26, 88.91 and 36.45 is: 54.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.26 : 88.91 = 36.45 : x
  2. Step 2: Convert to fraction form
    59.26/88.91 = 36.45/x
  3. Step 3: Cross multiply
    59.26x = 88.91 × 36.45
  4. Step 4: Simplify right side
    59.26x = 3,240.77
  5. Step 5: Solve for x
    x = 3,240.77/59.26
  6. Step 6: Final answer
    x = 54.69

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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.