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Finding the Fourth Proportional to 4,951,568.08, 6,834,379.49 and 3,018,894.31

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Solution

The fourth proportional to 4,951,568.08, 6,834,379.49 and 3,018,894.31 is: 4,166,815.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,951,568.08 : 6,834,379.49 = 3,018,894.31 : x
  2. Step 2: Convert to fraction form
    4,951,568.08/6,834,379.49 = 3,018,894.31/x
  3. Step 3: Cross multiply
    4,951,568.08x = 6,834,379.49 × 3,018,894.31
  4. Step 4: Simplify right side
    4,951,568.08x = 20,632,269,354,741.70
  5. Step 5: Solve for x
    x = 20,632,269,354,741.70/4,951,568.08
  6. Step 6: Final answer
    x = 4,166,815.24

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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.