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Finding the Fourth Proportional to 5,985,930.60, 8,978,895.90 and 2,392,252.20

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Solution

The fourth proportional to 5,985,930.60, 8,978,895.90 and 2,392,252.20 is: 3,588,378.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,985,930.60 : 8,978,895.90 = 2,392,252.20 : x
  2. Step 2: Convert to fraction form
    5,985,930.60/8,978,895.90 = 2,392,252.20/x
  3. Step 3: Cross multiply
    5,985,930.60x = 8,978,895.90 × 2,392,252.20
  4. Step 4: Simplify right side
    5,985,930.60x = 21,479,783,470,345.98
  5. Step 5: Solve for x
    x = 21,479,783,470,345.98/5,985,930.60
  6. Step 6: Final answer
    x = 3,588,378.30

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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.