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Finding the Fourth Proportional to 5,709,794.27, 7,880,014.43 and 3,131,973.27

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Solution

The fourth proportional to 5,709,794.27, 7,880,014.43 and 3,131,973.27 is: 4,322,396.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,709,794.27 : 7,880,014.43 = 3,131,973.27 : x
  2. Step 2: Convert to fraction form
    5,709,794.27/7,880,014.43 = 3,131,973.27/x
  3. Step 3: Cross multiply
    5,709,794.27x = 7,880,014.43 × 3,131,973.27
  4. Step 4: Simplify right side
    5,709,794.27x = 24,679,994,546,314.42
  5. Step 5: Solve for x
    x = 24,679,994,546,314.42/5,709,794.27
  6. Step 6: Final answer
    x = 4,322,396.46

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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.