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Finding the Fourth Proportional to 5,583.45, 8,376.56 and 2,074.45

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Solution

The fourth proportional to 5,583.45, 8,376.56 and 2,074.45 is: 3,112.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,583.45 : 8,376.56 = 2,074.45 : x
  2. Step 2: Convert to fraction form
    5,583.45/8,376.56 = 2,074.45/x
  3. Step 3: Cross multiply
    5,583.45x = 8,376.56 × 2,074.45
  4. Step 4: Simplify right side
    5,583.45x = 17,376,754.89
  5. Step 5: Solve for x
    x = 17,376,754.89/5,583.45
  6. Step 6: Final answer
    x = 3,112.19

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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.