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Finding the Fourth Proportional to 8,010.50, 11,944.06 and 7,999.56

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Solution

The fourth proportional to 8,010.50, 11,944.06 and 7,999.56 is: 11,927.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,010.50 : 11,944.06 = 7,999.56 : x
  2. Step 2: Convert to fraction form
    8,010.50/11,944.06 = 7,999.56/x
  3. Step 3: Cross multiply
    8,010.50x = 11,944.06 × 7,999.56
  4. Step 4: Simplify right side
    8,010.50x = 95,547,204.61
  5. Step 5: Solve for x
    x = 95,547,204.61/8,010.50
  6. Step 6: Final answer
    x = 11,927.75

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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 (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.