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Finding the Fourth Proportional to 6,652,489.24, 9,978,646.38 and 1,603,759.24

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Solution

The fourth proportional to 6,652,489.24, 9,978,646.38 and 1,603,759.24 is: 2,405,617.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,652,489.24 : 9,978,646.38 = 1,603,759.24 : x
  2. Step 2: Convert to fraction form
    6,652,489.24/9,978,646.38 = 1,603,759.24/x
  3. Step 3: Cross multiply
    6,652,489.24x = 9,978,646.38 × 1,603,759.24
  4. Step 4: Simplify right side
    6,652,489.24x = 16,003,346,334,617.55
  5. Step 5: Solve for x
    x = 16,003,346,334,617.55/6,652,489.24
  6. Step 6: Final answer
    x = 2,405,617.77

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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.