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Finding the Fourth Proportional to 9,113.62, 13,662.22 and 3,268.86

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Solution

The fourth proportional to 9,113.62, 13,662.22 and 3,268.86 is: 4,900.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,113.62 : 13,662.22 = 3,268.86 : x
  2. Step 2: Convert to fraction form
    9,113.62/13,662.22 = 3,268.86/x
  3. Step 3: Cross multiply
    9,113.62x = 13,662.22 × 3,268.86
  4. Step 4: Simplify right side
    9,113.62x = 44,659,884.47
  5. Step 5: Solve for x
    x = 44,659,884.47/9,113.62
  6. Step 6: Final answer
    x = 4,900.35

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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.