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Finding the Fourth Proportional to 3,964,909, 5,947,344.06 and 1,125,026.32

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Solution

The fourth proportional to 3,964,909, 5,947,344.06 and 1,125,026.32 is: 1,687,533.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964,909 : 5,947,344.06 = 1,125,026.32 : x
  2. Step 2: Convert to fraction form
    3,964,909/5,947,344.06 = 1,125,026.32/x
  3. Step 3: Cross multiply
    3,964,909x = 5,947,344.06 × 1,125,026.32
  4. Step 4: Simplify right side
    3,964,909x = 6,690,918,601,595.66
  5. Step 5: Solve for x
    x = 6,690,918,601,595.66/3,964,909
  6. Step 6: Final answer
    x = 1,687,533.96

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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.