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Finding the Fourth Proportional to 6,998.82, 10,498.31 and 2,995.66

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Solution

The fourth proportional to 6,998.82, 10,498.31 and 2,995.66 is: 4,493.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,998.82 : 10,498.31 = 2,995.66 : x
  2. Step 2: Convert to fraction form
    6,998.82/10,498.31 = 2,995.66/x
  3. Step 3: Cross multiply
    6,998.82x = 10,498.31 × 2,995.66
  4. Step 4: Simplify right side
    6,998.82x = 31,449,299.86
  5. Step 5: Solve for x
    x = 31,449,299.86/6,998.82
  6. Step 6: Final answer
    x = 4,493.52

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Half scale
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Double scale
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Similar ratio
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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.