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Finding the Fourth Proportional to 8,674.90, 13,003.94 and 5,546.07

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Solution

The fourth proportional to 8,674.90, 13,003.94 and 5,546.07 is: 8,313.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,674.90 : 13,003.94 = 5,546.07 : x
  2. Step 2: Convert to fraction form
    8,674.90/13,003.94 = 5,546.07/x
  3. Step 3: Cross multiply
    8,674.90x = 13,003.94 × 5,546.07
  4. Step 4: Simplify right side
    8,674.90x = 72,120,775.38
  5. Step 5: Solve for x
    x = 72,120,775.38/8,674.90
  6. Step 6: Final answer
    x = 8,313.73

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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.