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Finding the Fourth Proportional to 8,989.22, 13,483.84 and 8,976.24

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Solution

The fourth proportional to 8,989.22, 13,483.84 and 8,976.24 is: 13,464.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,989.22 : 13,483.84 = 8,976.24 : x
  2. Step 2: Convert to fraction form
    8,989.22/13,483.84 = 8,976.24/x
  3. Step 3: Cross multiply
    8,989.22x = 13,483.84 × 8,976.24
  4. Step 4: Simplify right side
    8,989.22x = 121,034,183.96
  5. Step 5: Solve for x
    x = 121,034,183.96/8,989.22
  6. Step 6: Final answer
    x = 13,464.37

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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.