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Finding the Fourth Proportional to 6,838.44, 9,476.03 and 6,422.28

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Solution

The fourth proportional to 6,838.44, 9,476.03 and 6,422.28 is: 8,899.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,838.44 : 9,476.03 = 6,422.28 : x
  2. Step 2: Convert to fraction form
    6,838.44/9,476.03 = 6,422.28/x
  3. Step 3: Cross multiply
    6,838.44x = 9,476.03 × 6,422.28
  4. Step 4: Simplify right side
    6,838.44x = 60,857,685.84
  5. Step 5: Solve for x
    x = 60,857,685.84/6,838.44
  6. Step 6: Final answer
    x = 8,899.35

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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.