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Finding the Fourth Proportional to 8,467.70, 12,710.59 and 7,167.33

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Solution

The fourth proportional to 8,467.70, 12,710.59 and 7,167.33 is: 10,758.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,467.70 : 12,710.59 = 7,167.33 : x
  2. Step 2: Convert to fraction form
    8,467.70/12,710.59 = 7,167.33/x
  3. Step 3: Cross multiply
    8,467.70x = 12,710.59 × 7,167.33
  4. Step 4: Simplify right side
    8,467.70x = 91,100,975.11
  5. Step 5: Solve for x
    x = 91,100,975.11/8,467.70
  6. Step 6: Final answer
    x = 10,758.65

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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.