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Finding the Fourth Proportional to 7,402.87, 11,104.17 and 3,019.29

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Solution

The fourth proportional to 7,402.87, 11,104.17 and 3,019.29 is: 4,528.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,402.87 : 11,104.17 = 3,019.29 : x
  2. Step 2: Convert to fraction form
    7,402.87/11,104.17 = 3,019.29/x
  3. Step 3: Cross multiply
    7,402.87x = 11,104.17 × 3,019.29
  4. Step 4: Simplify right side
    7,402.87x = 33,526,709.44
  5. Step 5: Solve for x
    x = 33,526,709.44/7,402.87
  6. Step 6: Final answer
    x = 4,528.88

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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.