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Finding the Fourth Proportional to 6,874.92, 10,311.08 and 1,943.37

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Solution

The fourth proportional to 6,874.92, 10,311.08 and 1,943.37 is: 2,914.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,874.92 : 10,311.08 = 1,943.37 : x
  2. Step 2: Convert to fraction form
    6,874.92/10,311.08 = 1,943.37/x
  3. Step 3: Cross multiply
    6,874.92x = 10,311.08 × 1,943.37
  4. Step 4: Simplify right side
    6,874.92x = 20,038,233.82
  5. Step 5: Solve for x
    x = 20,038,233.82/6,874.92
  6. Step 6: Final answer
    x = 2,914.69

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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.