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Finding the Fourth Proportional to 6,505,611.12, 8,977,796.12 and 3,605,050.46

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Solution

The fourth proportional to 6,505,611.12, 8,977,796.12 and 3,605,050.46 is: 4,974,998.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,505,611.12 : 8,977,796.12 = 3,605,050.46 : x
  2. Step 2: Convert to fraction form
    6,505,611.12/8,977,796.12 = 3,605,050.46/x
  3. Step 3: Cross multiply
    6,505,611.12x = 8,977,796.12 × 3,605,050.46
  4. Step 4: Simplify right side
    6,505,611.12x = 32,365,408,063,649.33
  5. Step 5: Solve for x
    x = 32,365,408,063,649.33/6,505,611.12
  6. Step 6: Final answer
    x = 4,974,998.88

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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.