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Finding the Fourth Proportional to 7,092.56, 10,639.15 and 1,898.44

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Solution

The fourth proportional to 7,092.56, 10,639.15 and 1,898.44 is: 2,847.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,092.56 : 10,639.15 = 1,898.44 : x
  2. Step 2: Convert to fraction form
    7,092.56/10,639.15 = 1,898.44/x
  3. Step 3: Cross multiply
    7,092.56x = 10,639.15 × 1,898.44
  4. Step 4: Simplify right side
    7,092.56x = 20,197,756.58
  5. Step 5: Solve for x
    x = 20,197,756.58/7,092.56
  6. Step 6: Final answer
    x = 2,847.74

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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.