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Finding the Fourth Proportional to 7,136,843.57, 9,848,854.26 and 3,873,659.14

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Solution

The fourth proportional to 7,136,843.57, 9,848,854.26 and 3,873,659.14 is: 5,345,655.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136,843.57 : 9,848,854.26 = 3,873,659.14 : x
  2. Step 2: Convert to fraction form
    7,136,843.57/9,848,854.26 = 3,873,659.14/x
  3. Step 3: Cross multiply
    7,136,843.57x = 9,848,854.26 × 3,873,659.14
  4. Step 4: Simplify right side
    7,136,843.57x = 38,151,104,322,776.94
  5. Step 5: Solve for x
    x = 38,151,104,322,776.94/7,136,843.57
  6. Step 6: Final answer
    x = 5,345,655.11

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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.