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Finding the Fourth Proportional to 5,754,057.76, 7,940,560.64 and 3,175,738.52

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Solution

The fourth proportional to 5,754,057.76, 7,940,560.64 and 3,175,738.52 is: 4,382,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,754,057.76 : 7,940,560.64 = 3,175,738.52 : x
  2. Step 2: Convert to fraction form
    5,754,057.76/7,940,560.64 = 3,175,738.52/x
  3. Step 3: Cross multiply
    5,754,057.76x = 7,940,560.64 × 3,175,738.52
  4. Step 4: Simplify right side
    5,754,057.76x = 25,217,144,294,843.85
  5. Step 5: Solve for x
    x = 25,217,144,294,843.85/5,754,057.76
  6. Step 6: Final answer
    x = 4,382,497.60

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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.