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Finding the Fourth Proportional to 64,255.64, 88,672.76 and 35,961.32

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Solution

The fourth proportional to 64,255.64, 88,672.76 and 35,961.32 is: 49,626.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,255.64 : 88,672.76 = 35,961.32 : x
  2. Step 2: Convert to fraction form
    64,255.64/88,672.76 = 35,961.32/x
  3. Step 3: Cross multiply
    64,255.64x = 88,672.76 × 35,961.32
  4. Step 4: Simplify right side
    64,255.64x = 3,188,789,809.23
  5. Step 5: Solve for x
    x = 3,188,789,809.23/64,255.64
  6. Step 6: Final answer
    x = 49,626.62

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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.