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Finding the Fourth Proportional to 8,473.53, 12,694.44 and 7,558.41

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Solution

The fourth proportional to 8,473.53, 12,694.44 and 7,558.41 is: 11,323.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,473.53 : 12,694.44 = 7,558.41 : x
  2. Step 2: Convert to fraction form
    8,473.53/12,694.44 = 7,558.41/x
  3. Step 3: Cross multiply
    8,473.53x = 12,694.44 × 7,558.41
  4. Step 4: Simplify right side
    8,473.53x = 95,949,782.24
  5. Step 5: Solve for x
    x = 95,949,782.24/8,473.53
  6. Step 6: Final answer
    x = 11,323.47

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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.