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Finding the Fourth Proportional to 64,255.32, 88,672.45 and 35,961.01

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Solution

The fourth proportional to 64,255.32, 88,672.45 and 35,961.01 is: 49,626.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,255.32 : 88,672.45 = 35,961.01 : x
  2. Step 2: Convert to fraction form
    64,255.32/88,672.45 = 35,961.01/x
  3. Step 3: Cross multiply
    64,255.32x = 88,672.45 × 35,961.01
  4. Step 4: Simplify right side
    64,255.32x = 3,188,750,861.17
  5. Step 5: Solve for x
    x = 3,188,750,861.17/64,255.32
  6. Step 6: Final answer
    x = 49,626.25

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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.