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Finding the Fourth Proportional to 6,661.82, 9,194.43 and 4,009.47

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Solution

The fourth proportional to 6,661.82, 9,194.43 and 4,009.47 is: 5,533.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,661.82 : 9,194.43 = 4,009.47 : x
  2. Step 2: Convert to fraction form
    6,661.82/9,194.43 = 4,009.47/x
  3. Step 3: Cross multiply
    6,661.82x = 9,194.43 × 4,009.47
  4. Step 4: Simplify right side
    6,661.82x = 36,864,791.25
  5. Step 5: Solve for x
    x = 36,864,791.25/6,661.82
  6. Step 6: Final answer
    x = 5,533.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.