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Finding the Fourth Proportional to 7,804.86, 11,690.31 and 4,844.01

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Solution

The fourth proportional to 7,804.86, 11,690.31 and 4,844.01 is: 7,255.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,804.86 : 11,690.31 = 4,844.01 : x
  2. Step 2: Convert to fraction form
    7,804.86/11,690.31 = 4,844.01/x
  3. Step 3: Cross multiply
    7,804.86x = 11,690.31 × 4,844.01
  4. Step 4: Simplify right side
    7,804.86x = 56,627,978.54
  5. Step 5: Solve for x
    x = 56,627,978.54/7,804.86
  6. Step 6: Final answer
    x = 7,255.48

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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.