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Finding the Fourth Proportional to 7,801,979.35, 11,702,969.03 and 4,022,843.35

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Solution

The fourth proportional to 7,801,979.35, 11,702,969.03 and 4,022,843.35 is: 6,034,265.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,801,979.35 : 11,702,969.03 = 4,022,843.35 : x
  2. Step 2: Convert to fraction form
    7,801,979.35/11,702,969.03 = 4,022,843.35/x
  3. Step 3: Cross multiply
    7,801,979.35x = 11,702,969.03 × 4,022,843.35
  4. Step 4: Simplify right side
    7,801,979.35x = 47,079,211,117,477.23
  5. Step 5: Solve for x
    x = 47,079,211,117,477.23/7,801,979.35
  6. Step 6: Final answer
    x = 6,034,265.03

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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.