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Finding the Fourth Proportional to 5,999,486.87, 8,999,629.35 and 2,108,473.41

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Solution

The fourth proportional to 5,999,486.87, 8,999,629.35 and 2,108,473.41 is: 3,162,850.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,999,486.87 : 8,999,629.35 = 2,108,473.41 : x
  2. Step 2: Convert to fraction form
    5,999,486.87/8,999,629.35 = 2,108,473.41/x
  3. Step 3: Cross multiply
    5,999,486.87x = 8,999,629.35 × 2,108,473.41
  4. Step 4: Simplify right side
    5,999,486.87x = 18,975,479,184,330.59
  5. Step 5: Solve for x
    x = 18,975,479,184,330.59/5,999,486.87
  6. Step 6: Final answer
    x = 3,162,850.36

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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.