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Finding the Fourth Proportional to 11,750.21, 17,601.81 and 7,067.63

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Solution

The fourth proportional to 11,750.21, 17,601.81 and 7,067.63 is: 10,587.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,750.21 : 17,601.81 = 7,067.63 : x
  2. Step 2: Convert to fraction form
    11,750.21/17,601.81 = 7,067.63/x
  3. Step 3: Cross multiply
    11,750.21x = 17,601.81 × 7,067.63
  4. Step 4: Simplify right side
    11,750.21x = 124,403,142.08
  5. Step 5: Solve for x
    x = 124,403,142.08/11,750.21
  6. Step 6: Final answer
    x = 10,587.31

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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.