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Finding the Fourth Proportional to 5,079,704.83, 7,009,997.42 and 2,904,293.54

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Solution

The fourth proportional to 5,079,704.83, 7,009,997.42 and 2,904,293.54 is: 4,007,927.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079,704.83 : 7,009,997.42 = 2,904,293.54 : x
  2. Step 2: Convert to fraction form
    5,079,704.83/7,009,997.42 = 2,904,293.54/x
  3. Step 3: Cross multiply
    5,079,704.83x = 7,009,997.42 × 2,904,293.54
  4. Step 4: Simplify right side
    5,079,704.83x = 20,359,090,237,671.37
  5. Step 5: Solve for x
    x = 20,359,090,237,671.37/5,079,704.83
  6. Step 6: Final answer
    x = 4,007,927.80

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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.