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Finding the Fourth Proportional to 64.08, 88.44 and 34.97

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Solution

The fourth proportional to 64.08, 88.44 and 34.97 is: 48.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    64.08 : 88.44 = 34.97 : x
  2. Step 2: Convert to fraction form
    64.08/88.44 = 34.97/x
  3. Step 3: Cross multiply
    64.08x = 88.44 × 34.97
  4. Step 4: Simplify right side
    64.08x = 3,092.93
  5. Step 5: Solve for x
    x = 3,092.93/64.08
  6. Step 6: Final answer
    x = 48.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.