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Finding the Fourth Proportional to 11,591.73, 17,343.86 and 6,663.69

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Solution

The fourth proportional to 11,591.73, 17,343.86 and 6,663.69 is: 9,970.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,591.73 : 17,343.86 = 6,663.69 : x
  2. Step 2: Convert to fraction form
    11,591.73/17,343.86 = 6,663.69/x
  3. Step 3: Cross multiply
    11,591.73x = 17,343.86 × 6,663.69
  4. Step 4: Simplify right side
    11,591.73x = 115,574,073.12
  5. Step 5: Solve for x
    x = 115,574,073.12/11,591.73
  6. Step 6: Final answer
    x = 9,970.39

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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.