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Finding the Fourth Proportional to 17,363.82, 26,010.99 and 7,991.00

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Solution

The fourth proportional to 17,363.82, 26,010.99 and 7,991.00 is: 11,970.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,363.82 : 26,010.99 = 7,991.00 : x
  2. Step 2: Convert to fraction form
    17,363.82/26,010.99 = 7,991.00/x
  3. Step 3: Cross multiply
    17,363.82x = 26,010.99 × 7,991.00
  4. Step 4: Simplify right side
    17,363.82x = 207,853,691.04
  5. Step 5: Solve for x
    x = 207,853,691.04/17,363.82
  6. Step 6: Final answer
    x = 11,970.50

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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.