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Finding the Fourth Proportional to 5,768,597.70, 7,961,729.78 and 3,706,191.44

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Solution

The fourth proportional to 5,768,597.70, 7,961,729.78 and 3,706,191.44 is: 5,115,228.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,768,597.70 : 7,961,729.78 = 3,706,191.44 : x
  2. Step 2: Convert to fraction form
    5,768,597.70/7,961,729.78 = 3,706,191.44/x
  3. Step 3: Cross multiply
    5,768,597.70x = 7,961,729.78 × 3,706,191.44
  4. Step 4: Simplify right side
    5,768,597.70x = 29,507,694,758,229.08
  5. Step 5: Solve for x
    x = 29,507,694,758,229.08/5,768,597.70
  6. Step 6: Final answer
    x = 5,115,228.40

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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.