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Finding the Fourth Proportional to 3,763,997.06, 5,642,821.69 and 1,632,475.78

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Solution

The fourth proportional to 3,763,997.06, 5,642,821.69 and 1,632,475.78 is: 2,447,337.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,763,997.06 : 5,642,821.69 = 1,632,475.78 : x
  2. Step 2: Convert to fraction form
    3,763,997.06/5,642,821.69 = 1,632,475.78/x
  3. Step 3: Cross multiply
    3,763,997.06x = 5,642,821.69 × 1,632,475.78
  4. Step 4: Simplify right side
    3,763,997.06x = 9,211,769,721,595.43
  5. Step 5: Solve for x
    x = 9,211,769,721,595.43/3,763,997.06
  6. Step 6: Final answer
    x = 2,447,337.12

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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.