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Finding the Fourth Proportional to 8,539.83, 12,809.73 and 2,696.44

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Solution

The fourth proportional to 8,539.83, 12,809.73 and 2,696.44 is: 4,044.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,539.83 : 12,809.73 = 2,696.44 : x
  2. Step 2: Convert to fraction form
    8,539.83/12,809.73 = 2,696.44/x
  3. Step 3: Cross multiply
    8,539.83x = 12,809.73 × 2,696.44
  4. Step 4: Simplify right side
    8,539.83x = 34,540,668.36
  5. Step 5: Solve for x
    x = 34,540,668.36/8,539.83
  6. Step 6: Final answer
    x = 4,044.66

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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.