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Finding the Fourth Proportional to 7,773.54, 11,661.13 and 2,843.62

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Solution

The fourth proportional to 7,773.54, 11,661.13 and 2,843.62 is: 4,265.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,773.54 : 11,661.13 = 2,843.62 : x
  2. Step 2: Convert to fraction form
    7,773.54/11,661.13 = 2,843.62/x
  3. Step 3: Cross multiply
    7,773.54x = 11,661.13 × 2,843.62
  4. Step 4: Simplify right side
    7,773.54x = 33,159,822.49
  5. Step 5: Solve for x
    x = 33,159,822.49/7,773.54
  6. Step 6: Final answer
    x = 4,265.73

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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.