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Finding the Fourth Proportional to 5,398,583.78, 8,097,891.03 and 1,560,718.62

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Solution

The fourth proportional to 5,398,583.78, 8,097,891.03 and 1,560,718.62 is: 2,341,082.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,398,583.78 : 8,097,891.03 = 1,560,718.62 : x
  2. Step 2: Convert to fraction form
    5,398,583.78/8,097,891.03 = 1,560,718.62/x
  3. Step 3: Cross multiply
    5,398,583.78x = 8,097,891.03 × 1,560,718.62
  4. Step 4: Simplify right side
    5,398,583.78x = 12,638,529,313,251.98
  5. Step 5: Solve for x
    x = 12,638,529,313,251.98/5,398,583.78
  6. Step 6: Final answer
    x = 2,341,082.37

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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.