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Finding the Fourth Proportional to 6,338,992.84, 8,747,758.38 and 3,438,376.36

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Solution

The fourth proportional to 6,338,992.84, 8,747,758.38 and 3,438,376.36 is: 4,744,931.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,338,992.84 : 8,747,758.38 = 3,438,376.36 : x
  2. Step 2: Convert to fraction form
    6,338,992.84/8,747,758.38 = 3,438,376.36/x
  3. Step 3: Cross multiply
    6,338,992.84x = 8,747,758.38 × 3,438,376.36
  4. Step 4: Simplify right side
    6,338,992.84x = 30,078,085,616,783.90
  5. Step 5: Solve for x
    x = 30,078,085,616,783.90/6,338,992.84
  6. Step 6: Final answer
    x = 4,744,931.31

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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.