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Finding the Fourth Proportional to 8,983.44, 13,395.96 and 8,360.28

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Solution

The fourth proportional to 8,983.44, 13,395.96 and 8,360.28 is: 12,466.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,983.44 : 13,395.96 = 8,360.28 : x
  2. Step 2: Convert to fraction form
    8,983.44/13,395.96 = 8,360.28/x
  3. Step 3: Cross multiply
    8,983.44x = 13,395.96 × 8,360.28
  4. Step 4: Simplify right side
    8,983.44x = 111,993,976.47
  5. Step 5: Solve for x
    x = 111,993,976.47/8,983.44
  6. Step 6: Final answer
    x = 12,466.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.