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Finding the Fourth Proportional to 6,967.68, 9,616.32 and 4,490.88

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Solution

The fourth proportional to 6,967.68, 9,616.32 and 4,490.88 is: 6,198.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,967.68 : 9,616.32 = 4,490.88 : x
  2. Step 2: Convert to fraction form
    6,967.68/9,616.32 = 4,490.88/x
  3. Step 3: Cross multiply
    6,967.68x = 9,616.32 × 4,490.88
  4. Step 4: Simplify right side
    6,967.68x = 43,185,739.16
  5. Step 5: Solve for x
    x = 43,185,739.16/6,967.68
  6. Step 6: Final answer
    x = 6,198.01

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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.