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Finding the Fourth Proportional to 5,144,494.07, 7,098,890.07 and 2,969,737.84

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Solution

The fourth proportional to 5,144,494.07, 7,098,890.07 and 2,969,737.84 is: 4,097,942.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,144,494.07 : 7,098,890.07 = 2,969,737.84 : x
  2. Step 2: Convert to fraction form
    5,144,494.07/7,098,890.07 = 2,969,737.84/x
  3. Step 3: Cross multiply
    5,144,494.07x = 7,098,890.07 × 2,969,737.84
  4. Step 4: Simplify right side
    5,144,494.07x = 21,081,842,462,879.25
  5. Step 5: Solve for x
    x = 21,081,842,462,879.25/5,144,494.07
  6. Step 6: Final answer
    x = 4,097,942.81

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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.