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Finding the Fourth Proportional to 27,993,762.40, 41,990,643.60 and 7,799,004.40

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Solution

The fourth proportional to 27,993,762.40, 41,990,643.60 and 7,799,004.40 is: 11,698,506.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,993,762.40 : 41,990,643.60 = 7,799,004.40 : x
  2. Step 2: Convert to fraction form
    27,993,762.40/41,990,643.60 = 7,799,004.40/x
  3. Step 3: Cross multiply
    27,993,762.40x = 41,990,643.60 × 7,799,004.40
  4. Step 4: Simplify right side
    27,993,762.40x = 327,485,214,195,231.88
  5. Step 5: Solve for x
    x = 327,485,214,195,231.88/27,993,762.40
  6. Step 6: Final answer
    x = 11,698,506.60

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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.