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Finding the Fourth Proportional to 8,675.82, 11,974.44 and 5,487.06

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Solution

The fourth proportional to 8,675.82, 11,974.44 and 5,487.06 is: 7,573.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,675.82 : 11,974.44 = 5,487.06 : x
  2. Step 2: Convert to fraction form
    8,675.82/11,974.44 = 5,487.06/x
  3. Step 3: Cross multiply
    8,675.82x = 11,974.44 × 5,487.06
  4. Step 4: Simplify right side
    8,675.82x = 65,704,470.75
  5. Step 5: Solve for x
    x = 65,704,470.75/8,675.82
  6. Step 6: Final answer
    x = 7,573.29

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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.