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Finding the Fourth Proportional to 64.04, 96.24 and 53.27

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Solution

The fourth proportional to 64.04, 96.24 and 53.27 is: 80.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    64.04 : 96.24 = 53.27 : x
  2. Step 2: Convert to fraction form
    64.04/96.24 = 53.27/x
  3. Step 3: Cross multiply
    64.04x = 96.24 × 53.27
  4. Step 4: Simplify right side
    64.04x = 5,126.70
  5. Step 5: Solve for x
    x = 5,126.70/64.04
  6. Step 6: Final answer
    x = 80.06

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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.