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Finding the Fourth Proportional to 64,611.88, 96,737.34 and 34,923.40

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Solution

The fourth proportional to 64,611.88, 96,737.34 and 34,923.40 is: 52,287.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,611.88 : 96,737.34 = 34,923.40 : x
  2. Step 2: Convert to fraction form
    64,611.88/96,737.34 = 34,923.40/x
  3. Step 3: Cross multiply
    64,611.88x = 96,737.34 × 34,923.40
  4. Step 4: Simplify right side
    64,611.88x = 3,378,396,819.76
  5. Step 5: Solve for x
    x = 3,378,396,819.76/64,611.88
  6. Step 6: Final answer
    x = 52,287.55

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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.