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Finding the Fourth Proportional to 64,186.92, 88,578 and 35,892.72

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Solution

The fourth proportional to 64,186.92, 88,578 and 35,892.72 is: 49,531.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,186.92 : 88,578 = 35,892.72 : x
  2. Step 2: Convert to fraction form
    64,186.92/88,578 = 35,892.72/x
  3. Step 3: Cross multiply
    64,186.92x = 88,578 × 35,892.72
  4. Step 4: Simplify right side
    64,186.92x = 3,179,305,352.16
  5. Step 5: Solve for x
    x = 3,179,305,352.16/64,186.92
  6. Step 6: Final answer
    x = 49,531.98

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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.