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Finding the Fourth Proportional to 6,373,143.88, 8,794,939.82 and 3,472,534.74

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Solution

The fourth proportional to 6,373,143.88, 8,794,939.82 and 3,472,534.74 is: 4,792,098.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,373,143.88 : 8,794,939.82 = 3,472,534.74 : x
  2. Step 2: Convert to fraction form
    6,373,143.88/8,794,939.82 = 3,472,534.74/x
  3. Step 3: Cross multiply
    6,373,143.88x = 8,794,939.82 × 3,472,534.74
  4. Step 4: Simplify right side
    6,373,143.88x = 30,540,734,076,777.70
  5. Step 5: Solve for x
    x = 30,540,734,076,777.70/6,373,143.88
  6. Step 6: Final answer
    x = 4,792,098.63

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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.