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Finding the Fourth Proportional to 7,132,958.82, 9,844,411.77 and 3,994,417.89

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Solution

The fourth proportional to 7,132,958.82, 9,844,411.77 and 3,994,417.89 is: 5,512,816.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,132,958.82 : 9,844,411.77 = 3,994,417.89 : x
  2. Step 2: Convert to fraction form
    7,132,958.82/9,844,411.77 = 3,994,417.89/x
  3. Step 3: Cross multiply
    7,132,958.82x = 9,844,411.77 × 3,994,417.89
  4. Step 4: Simplify right side
    7,132,958.82x = 39,322,694,490,614.56
  5. Step 5: Solve for x
    x = 39,322,694,490,614.56/7,132,958.82
  6. Step 6: Final answer
    x = 5,512,816.70

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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.