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Finding the Fourth Proportional to 7,793.60, 11,690.45 and 2,599.46

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Solution

The fourth proportional to 7,793.60, 11,690.45 and 2,599.46 is: 3,899.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,793.60 : 11,690.45 = 2,599.46 : x
  2. Step 2: Convert to fraction form
    7,793.60/11,690.45 = 2,599.46/x
  3. Step 3: Cross multiply
    7,793.60x = 11,690.45 × 2,599.46
  4. Step 4: Simplify right side
    7,793.60x = 30,388,844.16
  5. Step 5: Solve for x
    x = 30,388,844.16/7,793.60
  6. Step 6: Final answer
    x = 3,899.21

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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.