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Finding the Fourth Proportional to 6,408,884.74, 8,844,039.26 and 3,656,463.22

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Solution

The fourth proportional to 6,408,884.74, 8,844,039.26 and 3,656,463.22 is: 5,045,792.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,408,884.74 : 8,844,039.26 = 3,656,463.22 : x
  2. Step 2: Convert to fraction form
    6,408,884.74/8,844,039.26 = 3,656,463.22/x
  3. Step 3: Cross multiply
    6,408,884.74x = 8,844,039.26 × 3,656,463.22
  4. Step 4: Simplify right side
    6,408,884.74x = 32,337,904,270,426.02
  5. Step 5: Solve for x
    x = 32,337,904,270,426.02/6,408,884.74
  6. Step 6: Final answer
    x = 5,045,792.77

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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.