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Finding the Fourth Proportional to 8,552.96, 12,787.26 and 7,251.23

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Solution

The fourth proportional to 8,552.96, 12,787.26 and 7,251.23 is: 10,841.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,552.96 : 12,787.26 = 7,251.23 : x
  2. Step 2: Convert to fraction form
    8,552.96/12,787.26 = 7,251.23/x
  3. Step 3: Cross multiply
    8,552.96x = 12,787.26 × 7,251.23
  4. Step 4: Simplify right side
    8,552.96x = 92,723,299.39
  5. Step 5: Solve for x
    x = 92,723,299.39/8,552.96
  6. Step 6: Final answer
    x = 10,841.08

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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.