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Finding the Fourth Proportional to 64.14, 88.44 and 44.16

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Solution

The fourth proportional to 64.14, 88.44 and 44.16 is: 60.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    64.14 : 88.44 = 44.16 : x
  2. Step 2: Convert to fraction form
    64.14/88.44 = 44.16/x
  3. Step 3: Cross multiply
    64.14x = 88.44 × 44.16
  4. Step 4: Simplify right side
    64.14x = 3,905.51
  5. Step 5: Solve for x
    x = 3,905.51/64.14
  6. Step 6: Final answer
    x = 60.89

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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.