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Finding the Fourth Proportional to 5,478,392.82, 7,562,603.50 and 3,274,033.31

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Solution

The fourth proportional to 5,478,392.82, 7,562,603.50 and 3,274,033.31 is: 4,519,613.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,478,392.82 : 7,562,603.50 = 3,274,033.31 : x
  2. Step 2: Convert to fraction form
    5,478,392.82/7,562,603.50 = 3,274,033.31/x
  3. Step 3: Cross multiply
    5,478,392.82x = 7,562,603.50 × 3,274,033.31
  4. Step 4: Simplify right side
    5,478,392.82x = 24,760,215,723,324.48
  5. Step 5: Solve for x
    x = 24,760,215,723,324.48/5,478,392.82
  6. Step 6: Final answer
    x = 4,519,613.06

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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.