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Finding the Fourth Proportional to 6,376.50, 8,800.38 and 3,582

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Solution

The fourth proportional to 6,376.50, 8,800.38 and 3,582 is: 4,943.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,376.50 : 8,800.38 = 3,582 : x
  2. Step 2: Convert to fraction form
    6,376.50/8,800.38 = 3,582/x
  3. Step 3: Cross multiply
    6,376.50x = 8,800.38 × 3,582
  4. Step 4: Simplify right side
    6,376.50x = 31,522,961.16
  5. Step 5: Solve for x
    x = 31,522,961.16/6,376.50
  6. Step 6: Final answer
    x = 4,943.62

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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.