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Finding the Fourth Proportional to 6,295.97, 8,690.27 and 4,200.09

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Solution

The fourth proportional to 6,295.97, 8,690.27 and 4,200.09 is: 5,797.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,295.97 : 8,690.27 = 4,200.09 : x
  2. Step 2: Convert to fraction form
    6,295.97/8,690.27 = 4,200.09/x
  3. Step 3: Cross multiply
    6,295.97x = 8,690.27 × 4,200.09
  4. Step 4: Simplify right side
    6,295.97x = 36,499,916.12
  5. Step 5: Solve for x
    x = 36,499,916.12/6,295.97
  6. Step 6: Final answer
    x = 5,797.35

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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.