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Finding the Fourth Proportional to 8,725.14, 11,962.19 and 8,567.19

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Solution

The fourth proportional to 8,725.14, 11,962.19 and 8,567.19 is: 11,745.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,725.14 : 11,962.19 = 8,567.19 : x
  2. Step 2: Convert to fraction form
    8,725.14/11,962.19 = 8,567.19/x
  3. Step 3: Cross multiply
    8,725.14x = 11,962.19 × 8,567.19
  4. Step 4: Simplify right side
    8,725.14x = 102,482,375.96
  5. Step 5: Solve for x
    x = 102,482,375.96/8,725.14
  6. Step 6: Final answer
    x = 11,745.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.