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Finding the Fourth Proportional to 70,630.62, 105,942.66 and 23,883.90

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Solution

The fourth proportional to 70,630.62, 105,942.66 and 23,883.90 is: 35,824.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,630.62 : 105,942.66 = 23,883.90 : x
  2. Step 2: Convert to fraction form
    70,630.62/105,942.66 = 23,883.90/x
  3. Step 3: Cross multiply
    70,630.62x = 105,942.66 × 23,883.90
  4. Step 4: Simplify right side
    70,630.62x = 2,530,323,897.17
  5. Step 5: Solve for x
    x = 2,530,323,897.17/70,630.62
  6. Step 6: Final answer
    x = 35,824.74

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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.