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Finding the Fourth Proportional to 5,768,596.70, 7,961,728.40 and 3,706,190.44

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Solution

The fourth proportional to 5,768,596.70, 7,961,728.40 and 3,706,190.44 is: 5,115,227.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,768,596.70 : 7,961,728.40 = 3,706,190.44 : x
  2. Step 2: Convert to fraction form
    5,768,596.70/7,961,728.40 = 3,706,190.44/x
  3. Step 3: Cross multiply
    5,768,596.70x = 7,961,728.40 × 3,706,190.44
  4. Step 4: Simplify right side
    5,768,596.70x = 29,507,681,681,956.50
  5. Step 5: Solve for x
    x = 29,507,681,681,956.50/5,768,596.70
  6. Step 6: Final answer
    x = 5,115,227.02

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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.