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Finding the Fourth Proportional to 5,807,661.60, 8,694,903.60 and 5,210,464.80

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Solution

The fourth proportional to 5,807,661.60, 8,694,903.60 and 5,210,464.80 is: 7,800,814.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,807,661.60 : 8,694,903.60 = 5,210,464.80 : x
  2. Step 2: Convert to fraction form
    5,807,661.60/8,694,903.60 = 5,210,464.80/x
  3. Step 3: Cross multiply
    5,807,661.60x = 8,694,903.60 × 5,210,464.80
  4. Step 4: Simplify right side
    5,807,661.60x = 45,304,489,147,193.27
  5. Step 5: Solve for x
    x = 45,304,489,147,193.27/5,807,661.60
  6. Step 6: Final answer
    x = 7,800,814.21

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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.