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Finding the Fourth Proportional to 3,482,687.62, 4,805,845.25 and 1,954,499.50

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Solution

The fourth proportional to 3,482,687.62, 4,805,845.25 and 1,954,499.50 is: 2,697,061.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,482,687.62 : 4,805,845.25 = 1,954,499.50 : x
  2. Step 2: Convert to fraction form
    3,482,687.62/4,805,845.25 = 1,954,499.50/x
  3. Step 3: Cross multiply
    3,482,687.62x = 4,805,845.25 × 1,954,499.50
  4. Step 4: Simplify right side
    3,482,687.62x = 9,393,022,138,202.38
  5. Step 5: Solve for x
    x = 9,393,022,138,202.38/3,482,687.62
  6. Step 6: Final answer
    x = 2,697,061.34

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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.