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Finding the Fourth Proportional to 8,528.36, 12,787.07 and 3,596.68

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Solution

The fourth proportional to 8,528.36, 12,787.07 and 3,596.68 is: 5,392.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,528.36 : 12,787.07 = 3,596.68 : x
  2. Step 2: Convert to fraction form
    8,528.36/12,787.07 = 3,596.68/x
  3. Step 3: Cross multiply
    8,528.36x = 12,787.07 × 3,596.68
  4. Step 4: Simplify right side
    8,528.36x = 45,990,975.95
  5. Step 5: Solve for x
    x = 45,990,975.95/8,528.36
  6. Step 6: Final answer
    x = 5,392.71

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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.