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Finding the Fourth Proportional to 7,290.87, 10,936.44 and 2,096.88

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Solution

The fourth proportional to 7,290.87, 10,936.44 and 2,096.88 is: 3,145.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290.87 : 10,936.44 = 2,096.88 : x
  2. Step 2: Convert to fraction form
    7,290.87/10,936.44 = 2,096.88/x
  3. Step 3: Cross multiply
    7,290.87x = 10,936.44 × 2,096.88
  4. Step 4: Simplify right side
    7,290.87x = 22,932,402.31
  5. Step 5: Solve for x
    x = 22,932,402.31/7,290.87
  6. Step 6: Final answer
    x = 3,145.36

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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.