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Finding the Fourth Proportional to 4,822,952.97, 7,224,970.77 and 2,796,940.49

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Solution

The fourth proportional to 4,822,952.97, 7,224,970.77 and 2,796,940.49 is: 4,189,925.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,822,952.97 : 7,224,970.77 = 2,796,940.49 : x
  2. Step 2: Convert to fraction form
    4,822,952.97/7,224,970.77 = 2,796,940.49/x
  3. Step 3: Cross multiply
    4,822,952.97x = 7,224,970.77 × 2,796,940.49
  4. Step 4: Simplify right side
    4,822,952.97x = 20,207,813,285,679.48
  5. Step 5: Solve for x
    x = 20,207,813,285,679.48/4,822,952.97
  6. Step 6: Final answer
    x = 4,189,925.43

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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.