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Finding the Fourth Proportional to 3,571,703.31, 4,929,042.25 and 1,940,204.05

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Solution

The fourth proportional to 3,571,703.31, 4,929,042.25 and 1,940,204.05 is: 2,677,531.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571,703.31 : 4,929,042.25 = 1,940,204.05 : x
  2. Step 2: Convert to fraction form
    3,571,703.31/4,929,042.25 = 1,940,204.05/x
  3. Step 3: Cross multiply
    3,571,703.31x = 4,929,042.25 × 1,940,204.05
  4. Step 4: Simplify right side
    3,571,703.31x = 9,563,347,726,173.76
  5. Step 5: Solve for x
    x = 9,563,347,726,173.76/3,571,703.31
  6. Step 6: Final answer
    x = 2,677,531.39

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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.