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Finding the Fourth Proportional to 4,647,138.53, 6,973,436.07 and 1,951,256.44

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Solution

The fourth proportional to 4,647,138.53, 6,973,436.07 and 1,951,256.44 is: 2,928,030.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,647,138.53 : 6,973,436.07 = 1,951,256.44 : x
  2. Step 2: Convert to fraction form
    4,647,138.53/6,973,436.07 = 1,951,256.44/x
  3. Step 3: Cross multiply
    4,647,138.53x = 6,973,436.07 × 1,951,256.44
  4. Step 4: Simplify right side
    4,647,138.53x = 13,606,962,005,648.61
  5. Step 5: Solve for x
    x = 13,606,962,005,648.61/4,647,138.53
  6. Step 6: Final answer
    x = 2,928,030.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.