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Finding the Fourth Proportional to 6,342.87, 9,514.08 and 1,960.34

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Solution

The fourth proportional to 6,342.87, 9,514.08 and 1,960.34 is: 2,940.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,342.87 : 9,514.08 = 1,960.34 : x
  2. Step 2: Convert to fraction form
    6,342.87/9,514.08 = 1,960.34/x
  3. Step 3: Cross multiply
    6,342.87x = 9,514.08 × 1,960.34
  4. Step 4: Simplify right side
    6,342.87x = 18,650,784.02
  5. Step 5: Solve for x
    x = 18,650,784.02/6,342.87
  6. Step 6: Final answer
    x = 2,940.43

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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.