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Finding the Fourth Proportional to 6,213.40, 8,573.31 and 3,696.14

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Solution

The fourth proportional to 6,213.40, 8,573.31 and 3,696.14 is: 5,099.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,213.40 : 8,573.31 = 3,696.14 : x
  2. Step 2: Convert to fraction form
    6,213.40/8,573.31 = 3,696.14/x
  3. Step 3: Cross multiply
    6,213.40x = 8,573.31 × 3,696.14
  4. Step 4: Simplify right side
    6,213.40x = 31,688,171.92
  5. Step 5: Solve for x
    x = 31,688,171.92/6,213.40
  6. Step 6: Final answer
    x = 5,099.98

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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.