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Finding the Fourth Proportional to 64,229.76, 88,631.64 and 36,998.64

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Solution

The fourth proportional to 64,229.76, 88,631.64 and 36,998.64 is: 51,055.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,229.76 : 88,631.64 = 36,998.64 : x
  2. Step 2: Convert to fraction form
    64,229.76/88,631.64 = 36,998.64/x
  3. Step 3: Cross multiply
    64,229.76x = 88,631.64 × 36,998.64
  4. Step 4: Simplify right side
    64,229.76x = 3,279,250,140.97
  5. Step 5: Solve for x
    x = 3,279,250,140.97/64,229.76
  6. Step 6: Final answer
    x = 51,055.00

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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.