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Finding the Fourth Proportional to 17,591.52, 26,399.52 and 7,737.60

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Solution

The fourth proportional to 17,591.52, 26,399.52 and 7,737.60 is: 11,611.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,591.52 : 26,399.52 = 7,737.60 : x
  2. Step 2: Convert to fraction form
    17,591.52/26,399.52 = 7,737.60/x
  3. Step 3: Cross multiply
    17,591.52x = 26,399.52 × 7,737.60
  4. Step 4: Simplify right side
    17,591.52x = 204,268,925.95
  5. Step 5: Solve for x
    x = 204,268,925.95/17,591.52
  6. Step 6: Final answer
    x = 11,611.78

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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.