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Finding the Fourth Proportional to 72,035.92, 108,092.68 and 35,099.92

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Solution

The fourth proportional to 72,035.92, 108,092.68 and 35,099.92 is: 52,668.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,035.92 : 108,092.68 = 35,099.92 : x
  2. Step 2: Convert to fraction form
    72,035.92/108,092.68 = 35,099.92/x
  3. Step 3: Cross multiply
    72,035.92x = 108,092.68 × 35,099.92
  4. Step 4: Simplify right side
    72,035.92x = 3,794,044,420.59
  5. Step 5: Solve for x
    x = 3,794,044,420.59/72,035.92
  6. Step 6: Final answer
    x = 52,668.79

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1.5x scale

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.