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Finding the Fourth Proportional to 8,465,608.50, 11,682,693.63 and 4,795,287.12

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Solution

The fourth proportional to 8,465,608.50, 11,682,693.63 and 4,795,287.12 is: 6,617,583.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,465,608.50 : 11,682,693.63 = 4,795,287.12 : x
  2. Step 2: Convert to fraction form
    8,465,608.50/11,682,693.63 = 4,795,287.12/x
  3. Step 3: Cross multiply
    8,465,608.50x = 11,682,693.63 × 4,795,287.12
  4. Step 4: Simplify right side
    8,465,608.50x = 56,021,870,290,845.05
  5. Step 5: Solve for x
    x = 56,021,870,290,845.05/8,465,608.50
  6. Step 6: Final answer
    x = 6,617,583.40

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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.