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Finding the Fourth Proportional to 6,813,466.88, 9,402,472.32 and 3,757,965.44

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Solution

The fourth proportional to 6,813,466.88, 9,402,472.32 and 3,757,965.44 is: 5,185,930.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,813,466.88 : 9,402,472.32 = 3,757,965.44 : x
  2. Step 2: Convert to fraction form
    6,813,466.88/9,402,472.32 = 3,757,965.44/x
  3. Step 3: Cross multiply
    6,813,466.88x = 9,402,472.32 × 3,757,965.44
  4. Step 4: Simplify right side
    6,813,466.88x = 35,334,166,029,116.62
  5. Step 5: Solve for x
    x = 35,334,166,029,116.62/6,813,466.88
  6. Step 6: Final answer
    x = 5,185,930.55

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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.