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Finding the Fourth Proportional to 11,873.81, 17,804.14 and 4,858.75

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Solution

The fourth proportional to 11,873.81, 17,804.14 and 4,858.75 is: 7,285.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,873.81 : 17,804.14 = 4,858.75 : x
  2. Step 2: Convert to fraction form
    11,873.81/17,804.14 = 4,858.75/x
  3. Step 3: Cross multiply
    11,873.81x = 17,804.14 × 4,858.75
  4. Step 4: Simplify right side
    11,873.81x = 86,505,865.23
  5. Step 5: Solve for x
    x = 86,505,865.23/11,873.81
  6. Step 6: Final answer
    x = 7,285.43

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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.