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Finding the Fourth Proportional to 8,843.21, 13,262.84 and 2,603.66

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Solution

The fourth proportional to 8,843.21, 13,262.84 and 2,603.66 is: 3,904.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,843.21 : 13,262.84 = 2,603.66 : x
  2. Step 2: Convert to fraction form
    8,843.21/13,262.84 = 2,603.66/x
  3. Step 3: Cross multiply
    8,843.21x = 13,262.84 × 2,603.66
  4. Step 4: Simplify right side
    8,843.21x = 34,531,846.66
  5. Step 5: Solve for x
    x = 34,531,846.66/8,843.21
  6. Step 6: Final answer
    x = 3,904.90

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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.