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Finding the Fourth Proportional to 3,959,184.88, 5,939,046.92 and 1,263,712.98

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Solution

The fourth proportional to 3,959,184.88, 5,939,046.92 and 1,263,712.98 is: 1,895,655.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959,184.88 : 5,939,046.92 = 1,263,712.98 : x
  2. Step 2: Convert to fraction form
    3,959,184.88/5,939,046.92 = 1,263,712.98/x
  3. Step 3: Cross multiply
    3,959,184.88x = 5,939,046.92 × 1,263,712.98
  4. Step 4: Simplify right side
    3,959,184.88x = 7,505,250,681,633.02
  5. Step 5: Solve for x
    x = 7,505,250,681,633.02/3,959,184.88
  6. Step 6: Final answer
    x = 1,895,655.52

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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.