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Finding the Fourth Proportional to 64,611.56, 96,917.34 and 35,611.88

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Solution

The fourth proportional to 64,611.56, 96,917.34 and 35,611.88 is: 53,417.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,611.56 : 96,917.34 = 35,611.88 : x
  2. Step 2: Convert to fraction form
    64,611.56/96,917.34 = 35,611.88/x
  3. Step 3: Cross multiply
    64,611.56x = 96,917.34 × 35,611.88
  4. Step 4: Simplify right side
    64,611.56x = 3,451,408,682.00
  5. Step 5: Solve for x
    x = 3,451,408,682.00/64,611.56
  6. Step 6: Final answer
    x = 53,417.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.