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Finding the Fourth Proportional to 8,551.44, 12,824.73 and 5,426.73

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Solution

The fourth proportional to 8,551.44, 12,824.73 and 5,426.73 is: 8,138.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,551.44 : 12,824.73 = 5,426.73 : x
  2. Step 2: Convert to fraction form
    8,551.44/12,824.73 = 5,426.73/x
  3. Step 3: Cross multiply
    8,551.44x = 12,824.73 × 5,426.73
  4. Step 4: Simplify right side
    8,551.44x = 69,596,347.03
  5. Step 5: Solve for x
    x = 69,596,347.03/8,551.44
  6. Step 6: Final answer
    x = 8,138.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.