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Finding the Fourth Proportional to 8,356.46, 11,532.06 and 4,579.37

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Solution

The fourth proportional to 8,356.46, 11,532.06 and 4,579.37 is: 6,319.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,356.46 : 11,532.06 = 4,579.37 : x
  2. Step 2: Convert to fraction form
    8,356.46/11,532.06 = 4,579.37/x
  3. Step 3: Cross multiply
    8,356.46x = 11,532.06 × 4,579.37
  4. Step 4: Simplify right side
    8,356.46x = 52,809,489.05
  5. Step 5: Solve for x
    x = 52,809,489.05/8,356.46
  6. Step 6: Final answer
    x = 6,319.60

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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.