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Finding the Fourth Proportional to 7,100,995.17, 9,798,881.34 and 4,003,629.09

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Solution

The fourth proportional to 7,100,995.17, 9,798,881.34 and 4,003,629.09 is: 5,524,730.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,100,995.17 : 9,798,881.34 = 4,003,629.09 : x
  2. Step 2: Convert to fraction form
    7,100,995.17/9,798,881.34 = 4,003,629.09/x
  3. Step 3: Cross multiply
    7,100,995.17x = 9,798,881.34 × 4,003,629.09
  4. Step 4: Simplify right side
    7,100,995.17x = 39,231,086,382,282.18
  5. Step 5: Solve for x
    x = 39,231,086,382,282.18/7,100,995.17
  6. Step 6: Final answer
    x = 5,524,730.75

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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.