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Finding the Fourth Proportional to 9,568.87, 13,211.48 and 8,557.44

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Solution

The fourth proportional to 9,568.87, 13,211.48 and 8,557.44 is: 11,815.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,568.87 : 13,211.48 = 8,557.44 : x
  2. Step 2: Convert to fraction form
    9,568.87/13,211.48 = 8,557.44/x
  3. Step 3: Cross multiply
    9,568.87x = 13,211.48 × 8,557.44
  4. Step 4: Simplify right side
    9,568.87x = 113,056,447.41
  5. Step 5: Solve for x
    x = 113,056,447.41/9,568.87
  6. Step 6: Final answer
    x = 11,815.03

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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.