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Finding the Fourth Proportional to 8,998.62, 13,485.24 and 6,775.98

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Solution

The fourth proportional to 8,998.62, 13,485.24 and 6,775.98 is: 10,154.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,998.62 : 13,485.24 = 6,775.98 : x
  2. Step 2: Convert to fraction form
    8,998.62/13,485.24 = 6,775.98/x
  3. Step 3: Cross multiply
    8,998.62x = 13,485.24 × 6,775.98
  4. Step 4: Simplify right side
    8,998.62x = 91,375,716.54
  5. Step 5: Solve for x
    x = 91,375,716.54/8,998.62
  6. Step 6: Final answer
    x = 10,154.41

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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.