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Finding the Fourth Proportional to 6,998.06, 10,499.88 and 6,887.48

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Solution

The fourth proportional to 6,998.06, 10,499.88 and 6,887.48 is: 10,333.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,998.06 : 10,499.88 = 6,887.48 : x
  2. Step 2: Convert to fraction form
    6,998.06/10,499.88 = 6,887.48/x
  3. Step 3: Cross multiply
    6,998.06x = 10,499.88 × 6,887.48
  4. Step 4: Simplify right side
    6,998.06x = 72,317,713.50
  5. Step 5: Solve for x
    x = 72,317,713.50/6,998.06
  6. Step 6: Final answer
    x = 10,333.97

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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.