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Finding the Fourth Proportional to 8,583.44, 12,817.90 and 6,713.56

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Solution

The fourth proportional to 8,583.44, 12,817.90 and 6,713.56 is: 10,025.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,583.44 : 12,817.90 = 6,713.56 : x
  2. Step 2: Convert to fraction form
    8,583.44/12,817.90 = 6,713.56/x
  3. Step 3: Cross multiply
    8,583.44x = 12,817.90 × 6,713.56
  4. Step 4: Simplify right side
    8,583.44x = 86,053,691.32
  5. Step 5: Solve for x
    x = 86,053,691.32/8,583.44
  6. Step 6: Final answer
    x = 10,025.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.