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Finding the Fourth Proportional to 6,251.57, 8,627.07 and 3,418.88

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Solution

The fourth proportional to 6,251.57, 8,627.07 and 3,418.88 is: 4,718.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,251.57 : 8,627.07 = 3,418.88 : x
  2. Step 2: Convert to fraction form
    6,251.57/8,627.07 = 3,418.88/x
  3. Step 3: Cross multiply
    6,251.57x = 8,627.07 × 3,418.88
  4. Step 4: Simplify right side
    6,251.57x = 29,494,947.71
  5. Step 5: Solve for x
    x = 29,494,947.71/6,251.57
  6. Step 6: Final answer
    x = 4,718.00

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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.