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Finding the Fourth Proportional to 6,267.28, 8,648.84 and 3,472.78

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Solution

The fourth proportional to 6,267.28, 8,648.84 and 3,472.78 is: 4,792.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,267.28 : 8,648.84 = 3,472.78 : x
  2. Step 2: Convert to fraction form
    6,267.28/8,648.84 = 3,472.78/x
  3. Step 3: Cross multiply
    6,267.28x = 8,648.84 × 3,472.78
  4. Step 4: Simplify right side
    6,267.28x = 30,035,518.58
  5. Step 5: Solve for x
    x = 30,035,518.58/6,267.28
  6. Step 6: Final answer
    x = 4,792.43

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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.