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Finding the Fourth Proportional to 6,579,807.73, 9,858,006.69 and 5,610,428.89

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Solution

The fourth proportional to 6,579,807.73, 9,858,006.69 and 5,610,428.89 is: 8,405,662.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,579,807.73 : 9,858,006.69 = 5,610,428.89 : x
  2. Step 2: Convert to fraction form
    6,579,807.73/9,858,006.69 = 5,610,428.89/x
  3. Step 3: Cross multiply
    6,579,807.73x = 9,858,006.69 × 5,610,428.89
  4. Step 4: Simplify right side
    6,579,807.73x = 55,307,645,531,389.27
  5. Step 5: Solve for x
    x = 55,307,645,531,389.27/6,579,807.73
  6. Step 6: Final answer
    x = 8,405,662.87

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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.