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Finding the Fourth Proportional to 8,720.44, 13,079.22 and 2,563

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Solution

The fourth proportional to 8,720.44, 13,079.22 and 2,563 is: 3,844.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,720.44 : 13,079.22 = 2,563 : x
  2. Step 2: Convert to fraction form
    8,720.44/13,079.22 = 2,563/x
  3. Step 3: Cross multiply
    8,720.44x = 13,079.22 × 2,563
  4. Step 4: Simplify right side
    8,720.44x = 33,522,040.86
  5. Step 5: Solve for x
    x = 33,522,040.86/8,720.44
  6. Step 6: Final answer
    x = 3,844.08

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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.