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Finding the Fourth Proportional to 7,098,581.03, 10,643,606.89 and 2,775,480.82

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Solution

The fourth proportional to 7,098,581.03, 10,643,606.89 and 2,775,480.82 is: 4,161,553.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,098,581.03 : 10,643,606.89 = 2,775,480.82 : x
  2. Step 2: Convert to fraction form
    7,098,581.03/10,643,606.89 = 2,775,480.82/x
  3. Step 3: Cross multiply
    7,098,581.03x = 10,643,606.89 × 2,775,480.82
  4. Step 4: Simplify right side
    7,098,581.03x = 29,541,126,778,814.85
  5. Step 5: Solve for x
    x = 29,541,126,778,814.85/7,098,581.03
  6. Step 6: Final answer
    x = 4,161,553.79

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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.