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Finding the Fourth Proportional to 5,652,662.22, 8,478,997.99 and 1,392,830.91

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Solution

The fourth proportional to 5,652,662.22, 8,478,997.99 and 1,392,830.91 is: 2,089,247.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,652,662.22 : 8,478,997.99 = 1,392,830.91 : x
  2. Step 2: Convert to fraction form
    5,652,662.22/8,478,997.99 = 1,392,830.91/x
  3. Step 3: Cross multiply
    5,652,662.22x = 8,478,997.99 × 1,392,830.91
  4. Step 4: Simplify right side
    5,652,662.22x = 11,809,810,482,817.79
  5. Step 5: Solve for x
    x = 11,809,810,482,817.79/5,652,662.22
  6. Step 6: Final answer
    x = 2,089,247.51

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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.