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Finding the Fourth Proportional to 10,641,404.62, 14,687,530.32 and 6,968,187.82

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Solution

The fourth proportional to 10,641,404.62, 14,687,530.32 and 6,968,187.82 is: 9,617,665.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,641,404.62 : 14,687,530.32 = 6,968,187.82 : x
  2. Step 2: Convert to fraction form
    10,641,404.62/14,687,530.32 = 6,968,187.82/x
  3. Step 3: Cross multiply
    10,641,404.62x = 14,687,530.32 × 6,968,187.82
  4. Step 4: Simplify right side
    10,641,404.62x = 102,345,469,881,704.70
  5. Step 5: Solve for x
    x = 102,345,469,881,704.70/10,641,404.62
  6. Step 6: Final answer
    x = 9,617,665.48

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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.