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Finding the Fourth Proportional to 7,083,647.80, 9,936,002.60 and 7,083,647.80

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Solution

The fourth proportional to 7,083,647.80, 9,936,002.60 and 7,083,647.80 is: 9,936,002.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,083,647.80 : 9,936,002.60 = 7,083,647.80 : x
  2. Step 2: Convert to fraction form
    7,083,647.80/9,936,002.60 = 7,083,647.80/x
  3. Step 3: Cross multiply
    7,083,647.80x = 9,936,002.60 × 7,083,647.80
  4. Step 4: Simplify right side
    7,083,647.80x = 70,383,142,958,284.28
  5. Step 5: Solve for x
    x = 70,383,142,958,284.28/7,083,647.80
  6. Step 6: Final answer
    x = 9,936,002.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.