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Finding the Fourth Proportional to 5,599,664.88, 8,400,722.31 and 1,813,530.48

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Solution

The fourth proportional to 5,599,664.88, 8,400,722.31 and 1,813,530.48 is: 2,720,692.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,599,664.88 : 8,400,722.31 = 1,813,530.48 : x
  2. Step 2: Convert to fraction form
    5,599,664.88/8,400,722.31 = 1,813,530.48/x
  3. Step 3: Cross multiply
    5,599,664.88x = 8,400,722.31 × 1,813,530.48
  4. Step 4: Simplify right side
    5,599,664.88x = 15,234,965,963,201.01
  5. Step 5: Solve for x
    x = 15,234,965,963,201.01/5,599,664.88
  6. Step 6: Final answer
    x = 2,720,692.45

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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.