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Finding the Fourth Proportional to 3,973,693.60, 5,954,416.80 and 2,958,050.80

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Solution

The fourth proportional to 3,973,693.60, 5,954,416.80 and 2,958,050.80 is: 4,432,517.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,973,693.60 : 5,954,416.80 = 2,958,050.80 : x
  2. Step 2: Convert to fraction form
    3,973,693.60/5,954,416.80 = 2,958,050.80/x
  3. Step 3: Cross multiply
    3,973,693.60x = 5,954,416.80 × 2,958,050.80
  4. Step 4: Simplify right side
    3,973,693.60x = 17,613,467,378,773.44
  5. Step 5: Solve for x
    x = 17,613,467,378,773.44/3,973,693.60
  6. Step 6: Final answer
    x = 4,432,517.74

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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.