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Finding the Fourth Proportional to 67,155.94, 100,668.30 and 27,740.62

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Solution

The fourth proportional to 67,155.94, 100,668.30 and 27,740.62 is: 41,583.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,155.94 : 100,668.30 = 27,740.62 : x
  2. Step 2: Convert to fraction form
    67,155.94/100,668.30 = 27,740.62/x
  3. Step 3: Cross multiply
    67,155.94x = 100,668.30 × 27,740.62
  4. Step 4: Simplify right side
    67,155.94x = 2,792,601,056.35
  5. Step 5: Solve for x
    x = 2,792,601,056.35/67,155.94
  6. Step 6: Final answer
    x = 41,583.83

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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.