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Finding the Fourth Proportional to 6,657,057.89, 9,186,739.89 and 3,601,272.14

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Solution

The fourth proportional to 6,657,057.89, 9,186,739.89 and 3,601,272.14 is: 4,969,755.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,657,057.89 : 9,186,739.89 = 3,601,272.14 : x
  2. Step 2: Convert to fraction form
    6,657,057.89/9,186,739.89 = 3,601,272.14/x
  3. Step 3: Cross multiply
    6,657,057.89x = 9,186,739.89 × 3,601,272.14
  4. Step 4: Simplify right side
    6,657,057.89x = 33,083,950,446,250.52
  5. Step 5: Solve for x
    x = 33,083,950,446,250.52/6,657,057.89
  6. Step 6: Final answer
    x = 4,969,755.56

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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.