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Finding the Fourth Proportional to 6,863,515.98, 9,472,492.06 and 3,962,901.98

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Solution

The fourth proportional to 6,863,515.98, 9,472,492.06 and 3,962,901.98 is: 5,469,289.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,863,515.98 : 9,472,492.06 = 3,962,901.98 : x
  2. Step 2: Convert to fraction form
    6,863,515.98/9,472,492.06 = 3,962,901.98/x
  3. Step 3: Cross multiply
    6,863,515.98x = 9,472,492.06 × 3,962,901.98
  4. Step 4: Simplify right side
    6,863,515.98x = 37,538,557,540,108.28
  5. Step 5: Solve for x
    x = 37,538,557,540,108.28/6,863,515.98
  6. Step 6: Final answer
    x = 5,469,289.74

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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.