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Finding the Fourth Proportional to 3,956,375.88, 5,934,385.51 and 1,649,919.20

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Solution

The fourth proportional to 3,956,375.88, 5,934,385.51 and 1,649,919.20 is: 2,474,804.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,956,375.88 : 5,934,385.51 = 1,649,919.20 : x
  2. Step 2: Convert to fraction form
    3,956,375.88/5,934,385.51 = 1,649,919.20/x
  3. Step 3: Cross multiply
    3,956,375.88x = 5,934,385.51 × 1,649,919.20
  4. Step 4: Simplify right side
    3,956,375.88x = 9,791,256,559,354.07
  5. Step 5: Solve for x
    x = 9,791,256,559,354.07/3,956,375.88
  6. Step 6: Final answer
    x = 2,474,804.43

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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.