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Finding the Fourth Proportional to 5,649,540.62, 7,789,048.25 and 3,659,134.91

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Solution

The fourth proportional to 5,649,540.62, 7,789,048.25 and 3,659,134.91 is: 5,044,866.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,649,540.62 : 7,789,048.25 = 3,659,134.91 : x
  2. Step 2: Convert to fraction form
    5,649,540.62/7,789,048.25 = 3,659,134.91/x
  3. Step 3: Cross multiply
    5,649,540.62x = 7,789,048.25 × 3,659,134.91
  4. Step 4: Simplify right side
    5,649,540.62x = 28,501,178,310,008.49
  5. Step 5: Solve for x
    x = 28,501,178,310,008.49/5,649,540.62
  6. Step 6: Final answer
    x = 5,044,866.52

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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.