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Finding the Fourth Proportional to 6,995.90, 10,493.94 and 2,065.61

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Solution

The fourth proportional to 6,995.90, 10,493.94 and 2,065.61 is: 3,098.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,995.90 : 10,493.94 = 2,065.61 : x
  2. Step 2: Convert to fraction form
    6,995.90/10,493.94 = 2,065.61/x
  3. Step 3: Cross multiply
    6,995.90x = 10,493.94 × 2,065.61
  4. Step 4: Simplify right side
    6,995.90x = 21,676,387.40
  5. Step 5: Solve for x
    x = 21,676,387.40/6,995.90
  6. Step 6: Final answer
    x = 3,098.44

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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.