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Finding the Fourth Proportional to 6,841.86, 10,259.16 and 2,891.88

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Solution

The fourth proportional to 6,841.86, 10,259.16 and 2,891.88 is: 4,336.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,841.86 : 10,259.16 = 2,891.88 : x
  2. Step 2: Convert to fraction form
    6,841.86/10,259.16 = 2,891.88/x
  3. Step 3: Cross multiply
    6,841.86x = 10,259.16 × 2,891.88
  4. Step 4: Simplify right side
    6,841.86x = 29,668,259.62
  5. Step 5: Solve for x
    x = 29,668,259.62/6,841.86
  6. Step 6: Final answer
    x = 4,336.29

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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.