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Finding the Fourth Proportional to 5,325,771.92, 7,985,329.31 and 2,250,181.52

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Solution

The fourth proportional to 5,325,771.92, 7,985,329.31 and 2,250,181.52 is: 3,373,865.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,325,771.92 : 7,985,329.31 = 2,250,181.52 : x
  2. Step 2: Convert to fraction form
    5,325,771.92/7,985,329.31 = 2,250,181.52/x
  3. Step 3: Cross multiply
    5,325,771.92x = 7,985,329.31 × 2,250,181.52
  4. Step 4: Simplify right side
    5,325,771.92x = 17,968,440,440,120.14
  5. Step 5: Solve for x
    x = 17,968,440,440,120.14/5,325,771.92
  6. Step 6: Final answer
    x = 3,373,865.93

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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.