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Finding the Fourth Proportional to 5,985,131.20, 8,978,863.20 and 2,573,411.20

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Solution

The fourth proportional to 5,985,131.20, 8,978,863.20 and 2,573,411.20 is: 3,860,618.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,985,131.20 : 8,978,863.20 = 2,573,411.20 : x
  2. Step 2: Convert to fraction form
    5,985,131.20/8,978,863.20 = 2,573,411.20/x
  3. Step 3: Cross multiply
    5,985,131.20x = 8,978,863.20 × 2,573,411.20
  4. Step 4: Simplify right side
    5,985,131.20x = 23,106,307,122,147.84
  5. Step 5: Solve for x
    x = 23,106,307,122,147.84/5,985,131.20
  6. Step 6: Final answer
    x = 3,860,618.31

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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.