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Finding the Fourth Proportional to 3,969,904.60, 5,954,856.90 and 2,458,250.20

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Solution

The fourth proportional to 3,969,904.60, 5,954,856.90 and 2,458,250.20 is: 3,687,375.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969,904.60 : 5,954,856.90 = 2,458,250.20 : x
  2. Step 2: Convert to fraction form
    3,969,904.60/5,954,856.90 = 2,458,250.20/x
  3. Step 3: Cross multiply
    3,969,904.60x = 5,954,856.90 × 2,458,250.20
  4. Step 4: Simplify right side
    3,969,904.60x = 14,638,528,165,396.38
  5. Step 5: Solve for x
    x = 14,638,528,165,396.38/3,969,904.60
  6. Step 6: Final answer
    x = 3,687,375.30

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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.