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Finding the Fourth Proportional to 64,310.92, 88,744.98 and 36,016.36

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Solution

The fourth proportional to 64,310.92, 88,744.98 and 36,016.36 is: 49,700.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,310.92 : 88,744.98 = 36,016.36 : x
  2. Step 2: Convert to fraction form
    64,310.92/88,744.98 = 36,016.36/x
  3. Step 3: Cross multiply
    64,310.92x = 88,744.98 × 36,016.36
  4. Step 4: Simplify right side
    64,310.92x = 3,196,271,147.87
  5. Step 5: Solve for x
    x = 3,196,271,147.87/64,310.92
  6. Step 6: Final answer
    x = 49,700.29

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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.