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Finding the Fourth Proportional to 64.04, 96.26 and 60.48

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Solution

The fourth proportional to 64.04, 96.26 and 60.48 is: 90.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64.04 : 96.26 = 60.48 : x
  2. Step 2: Convert to fraction form
    64.04/96.26 = 60.48/x
  3. Step 3: Cross multiply
    64.04x = 96.26 × 60.48
  4. Step 4: Simplify right side
    64.04x = 5,821.50
  5. Step 5: Solve for x
    x = 5,821.50/64.04
  6. Step 6: Final answer
    x = 90.91

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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.