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Finding the Fourth Proportional to 6,268.54, 8,690.19 and 5,935.64

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Solution

The fourth proportional to 6,268.54, 8,690.19 and 5,935.64 is: 8,228.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,268.54 : 8,690.19 = 5,935.64 : x
  2. Step 2: Convert to fraction form
    6,268.54/8,690.19 = 5,935.64/x
  3. Step 3: Cross multiply
    6,268.54x = 8,690.19 × 5,935.64
  4. Step 4: Simplify right side
    6,268.54x = 51,581,809.69
  5. Step 5: Solve for x
    x = 51,581,809.69/6,268.54
  6. Step 6: Final answer
    x = 8,228.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.