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Finding the Fourth Proportional to 5,991,163.20, 8,986,744.80 and 4,573,987.20

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Solution

The fourth proportional to 5,991,163.20, 8,986,744.80 and 4,573,987.20 is: 6,860,980.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,991,163.20 : 8,986,744.80 = 4,573,987.20 : x
  2. Step 2: Convert to fraction form
    5,991,163.20/8,986,744.80 = 4,573,987.20/x
  3. Step 3: Cross multiply
    5,991,163.20x = 8,986,744.80 × 4,573,987.20
  4. Step 4: Simplify right side
    5,991,163.20x = 41,105,255,684,866.56
  5. Step 5: Solve for x
    x = 41,105,255,684,866.56/5,991,163.20
  6. Step 6: Final answer
    x = 6,860,980.80

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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.