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Finding the Fourth Proportional to 6,505,611.75, 8,977,796.99 and 3,605,051.10

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Solution

The fourth proportional to 6,505,611.75, 8,977,796.99 and 3,605,051.10 is: 4,974,999.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,505,611.75 : 8,977,796.99 = 3,605,051.10 : x
  2. Step 2: Convert to fraction form
    6,505,611.75/8,977,796.99 = 3,605,051.10/x
  3. Step 3: Cross multiply
    6,505,611.75x = 8,977,796.99 × 3,605,051.10
  4. Step 4: Simplify right side
    6,505,611.75x = 32,365,416,914,376.19
  5. Step 5: Solve for x
    x = 32,365,416,914,376.19/6,505,611.75
  6. Step 6: Final answer
    x = 4,974,999.76

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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.