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Finding the Fourth Proportional to 64,316.92, 88,757.22 and 36,022

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Solution

The fourth proportional to 64,316.92, 88,757.22 and 36,022 is: 49,710.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,316.92 : 88,757.22 = 36,022 : x
  2. Step 2: Convert to fraction form
    64,316.92/88,757.22 = 36,022/x
  3. Step 3: Cross multiply
    64,316.92x = 88,757.22 × 36,022
  4. Step 4: Simplify right side
    64,316.92x = 3,197,212,578.84
  5. Step 5: Solve for x
    x = 3,197,212,578.84/64,316.92
  6. Step 6: Final answer
    x = 49,710.29

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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.