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Finding the Fourth Proportional to 6,713.10, 10,073.27 and 3,945.18

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Solution

The fourth proportional to 6,713.10, 10,073.27 and 3,945.18 is: 5,919.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,713.10 : 10,073.27 = 3,945.18 : x
  2. Step 2: Convert to fraction form
    6,713.10/10,073.27 = 3,945.18/x
  3. Step 3: Cross multiply
    6,713.10x = 10,073.27 × 3,945.18
  4. Step 4: Simplify right side
    6,713.10x = 39,740,863.34
  5. Step 5: Solve for x
    x = 39,740,863.34/6,713.10
  6. Step 6: Final answer
    x = 5,919.90

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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.