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Finding the Fourth Proportional to 3,664,728.90, 5,057,356.41 and 2,033,243.28

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Solution

The fourth proportional to 3,664,728.90, 5,057,356.41 and 2,033,243.28 is: 2,805,892.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,664,728.90 : 5,057,356.41 = 2,033,243.28 : x
  2. Step 2: Convert to fraction form
    3,664,728.90/5,057,356.41 = 2,033,243.28/x
  3. Step 3: Cross multiply
    3,664,728.90x = 5,057,356.41 × 2,033,243.28
  4. Step 4: Simplify right side
    3,664,728.90x = 10,282,835,935,197.43
  5. Step 5: Solve for x
    x = 10,282,835,935,197.43/3,664,728.90
  6. Step 6: Final answer
    x = 2,805,892.66

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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.