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Finding the Fourth Proportional to 5,607,310.73, 7,738,095.71 and 3,028,991.54

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Solution

The fourth proportional to 5,607,310.73, 7,738,095.71 and 3,028,991.54 is: 4,180,012.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,607,310.73 : 7,738,095.71 = 3,028,991.54 : x
  2. Step 2: Convert to fraction form
    5,607,310.73/7,738,095.71 = 3,028,991.54/x
  3. Step 3: Cross multiply
    5,607,310.73x = 7,738,095.71 × 3,028,991.54
  4. Step 4: Simplify right side
    5,607,310.73x = 23,438,626,410,182.30
  5. Step 5: Solve for x
    x = 23,438,626,410,182.30/5,607,310.73
  6. Step 6: Final answer
    x = 4,180,012.05

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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.