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Finding the Fourth Proportional to 5,861.97, 8,794.17 and 1,913.63

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Solution

The fourth proportional to 5,861.97, 8,794.17 and 1,913.63 is: 2,870.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,861.97 : 8,794.17 = 1,913.63 : x
  2. Step 2: Convert to fraction form
    5,861.97/8,794.17 = 1,913.63/x
  3. Step 3: Cross multiply
    5,861.97x = 8,794.17 × 1,913.63
  4. Step 4: Simplify right side
    5,861.97x = 16,828,743.57
  5. Step 5: Solve for x
    x = 16,828,743.57/5,861.97
  6. Step 6: Final answer
    x = 2,870.83

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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.