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Finding the Fourth Proportional to 4,994,478.84, 6,890,693.82 and 3,251,352.36

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Solution

The fourth proportional to 4,994,478.84, 6,890,693.82 and 3,251,352.36 is: 4,485,768.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,994,478.84 : 6,890,693.82 = 3,251,352.36 : x
  2. Step 2: Convert to fraction form
    4,994,478.84/6,890,693.82 = 3,251,352.36/x
  3. Step 3: Cross multiply
    4,994,478.84x = 6,890,693.82 × 3,251,352.36
  4. Step 4: Simplify right side
    4,994,478.84x = 22,404,073,613,694.41
  5. Step 5: Solve for x
    x = 22,404,073,613,694.41/4,994,478.84
  6. Step 6: Final answer
    x = 4,485,768.05

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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.