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Finding the Fourth Proportional to 3,482,679.87, 4,805,834.56 and 1,954,491.75

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Solution

The fourth proportional to 3,482,679.87, 4,805,834.56 and 1,954,491.75 is: 2,697,050.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,482,679.87 : 4,805,834.56 = 1,954,491.75 : x
  2. Step 2: Convert to fraction form
    3,482,679.87/4,805,834.56 = 1,954,491.75/x
  3. Step 3: Cross multiply
    3,482,679.87x = 4,805,834.56 × 1,954,491.75
  4. Step 4: Simplify right side
    3,482,679.87x = 9,392,963,994,498.65
  5. Step 5: Solve for x
    x = 9,392,963,994,498.65/3,482,679.87
  6. Step 6: Final answer
    x = 2,697,050.65

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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.