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Finding the Fourth Proportional to 9,093.60, 13,611.60 and 8,805.60

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Solution

The fourth proportional to 9,093.60, 13,611.60 and 8,805.60 is: 13,180.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,093.60 : 13,611.60 = 8,805.60 : x
  2. Step 2: Convert to fraction form
    9,093.60/13,611.60 = 8,805.60/x
  3. Step 3: Cross multiply
    9,093.60x = 13,611.60 × 8,805.60
  4. Step 4: Simplify right side
    9,093.60x = 119,858,304.96
  5. Step 5: Solve for x
    x = 119,858,304.96/9,093.60
  6. Step 6: Final answer
    x = 13,180.51

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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.