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Finding the Fourth Proportional to 7,879.55, 11,819.37 and 2,333.00

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Solution

The fourth proportional to 7,879.55, 11,819.37 and 2,333.00 is: 3,499.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,879.55 : 11,819.37 = 2,333.00 : x
  2. Step 2: Convert to fraction form
    7,879.55/11,819.37 = 2,333.00/x
  3. Step 3: Cross multiply
    7,879.55x = 11,819.37 × 2,333.00
  4. Step 4: Simplify right side
    7,879.55x = 27,574,615.38
  5. Step 5: Solve for x
    x = 27,574,615.38/7,879.55
  6. Step 6: Final answer
    x = 3,499.51

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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.