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Finding the Fourth Proportional to 6,251.22, 8,626.98 and 3,894.12

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Solution

The fourth proportional to 6,251.22, 8,626.98 and 3,894.12 is: 5,374.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,251.22 : 8,626.98 = 3,894.12 : x
  2. Step 2: Convert to fraction form
    6,251.22/8,626.98 = 3,894.12/x
  3. Step 3: Cross multiply
    6,251.22x = 8,626.98 × 3,894.12
  4. Step 4: Simplify right side
    6,251.22x = 33,594,495.36
  5. Step 5: Solve for x
    x = 33,594,495.36/6,251.22
  6. Step 6: Final answer
    x = 5,374.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.