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Finding the Fourth Proportional to 5,755,693.80, 7,942,649.04 and 3,177,319.08

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Solution

The fourth proportional to 5,755,693.80, 7,942,649.04 and 3,177,319.08 is: 4,384,585.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,755,693.80 : 7,942,649.04 = 3,177,319.08 : x
  2. Step 2: Convert to fraction form
    5,755,693.80/7,942,649.04 = 3,177,319.08/x
  3. Step 3: Cross multiply
    5,755,693.80x = 7,942,649.04 × 3,177,319.08
  4. Step 4: Simplify right side
    5,755,693.80x = 25,236,330,340,535.68
  5. Step 5: Solve for x
    x = 25,236,330,340,535.68/5,755,693.80
  6. Step 6: Final answer
    x = 4,384,585.29

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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.