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Finding the Fourth Proportional to 11,589.48, 17,340.48 and 6,661.44

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Solution

The fourth proportional to 11,589.48, 17,340.48 and 6,661.44 is: 9,967.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,589.48 : 17,340.48 = 6,661.44 : x
  2. Step 2: Convert to fraction form
    11,589.48/17,340.48 = 6,661.44/x
  3. Step 3: Cross multiply
    11,589.48x = 17,340.48 × 6,661.44
  4. Step 4: Simplify right side
    11,589.48x = 115,512,567.09
  5. Step 5: Solve for x
    x = 115,512,567.09/11,589.48
  6. Step 6: Final answer
    x = 9,967.02

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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.