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Finding the Fourth Proportional to 5,659,788.71, 7,810,496.61 and 3,081,446.93

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Solution

The fourth proportional to 5,659,788.71, 7,810,496.61 and 3,081,446.93 is: 4,252,390.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,659,788.71 : 7,810,496.61 = 3,081,446.93 : x
  2. Step 2: Convert to fraction form
    5,659,788.71/7,810,496.61 = 3,081,446.93/x
  3. Step 3: Cross multiply
    5,659,788.71x = 7,810,496.61 × 3,081,446.93
  4. Step 4: Simplify right side
    5,659,788.71x = 24,067,630,800,659.91
  5. Step 5: Solve for x
    x = 24,067,630,800,659.91/5,659,788.71
  6. Step 6: Final answer
    x = 4,252,390.33

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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.