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Finding the Fourth Proportional to 64.07, 88.44 and 60.17

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Solution

The fourth proportional to 64.07, 88.44 and 60.17 is: 83.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    64.07 : 88.44 = 60.17 : x
  2. Step 2: Convert to fraction form
    64.07/88.44 = 60.17/x
  3. Step 3: Cross multiply
    64.07x = 88.44 × 60.17
  4. Step 4: Simplify right side
    64.07x = 5,320.77
  5. Step 5: Solve for x
    x = 5,320.77/64.07
  6. Step 6: Final answer
    x = 83.04

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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.