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Finding the Fourth Proportional to 4,786,410.88, 7,169,067.96 and 3,956,324.32

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Solution

The fourth proportional to 4,786,410.88, 7,169,067.96 and 3,956,324.32 is: 5,925,767.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,786,410.88 : 7,169,067.96 = 3,956,324.32 : x
  2. Step 2: Convert to fraction form
    4,786,410.88/7,169,067.96 = 3,956,324.32/x
  3. Step 3: Cross multiply
    4,786,410.88x = 7,169,067.96 × 3,956,324.32
  4. Step 4: Simplify right side
    4,786,410.88x = 28,363,157,921,880.79
  5. Step 5: Solve for x
    x = 28,363,157,921,880.79/4,786,410.88
  6. Step 6: Final answer
    x = 5,925,767.48

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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.