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Finding the Fourth Proportional to 5,772,687.78, 7,966,365.39 and 3,194,362.41

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Solution

The fourth proportional to 5,772,687.78, 7,966,365.39 and 3,194,362.41 is: 4,408,251.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,772,687.78 : 7,966,365.39 = 3,194,362.41 : x
  2. Step 2: Convert to fraction form
    5,772,687.78/7,966,365.39 = 3,194,362.41/x
  3. Step 3: Cross multiply
    5,772,687.78x = 7,966,365.39 × 3,194,362.41
  4. Step 4: Simplify right side
    5,772,687.78x = 25,447,458,116,267.12
  5. Step 5: Solve for x
    x = 25,447,458,116,267.12/5,772,687.78
  6. Step 6: Final answer
    x = 4,408,251.25

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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.