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Finding the Fourth Proportional to 64.26, 96.37 and 60

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Solution

The fourth proportional to 64.26, 96.37 and 60 is: 89.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    64.26 : 96.37 = 60 : x
  2. Step 2: Convert to fraction form
    64.26/96.37 = 60/x
  3. Step 3: Cross multiply
    64.26x = 96.37 × 60
  4. Step 4: Simplify right side
    64.26x = 5,782.20
  5. Step 5: Solve for x
    x = 5,782.20/64.26
  6. Step 6: Final answer
    x = 89.98

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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.