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Finding the Fourth Proportional to 7,871.58, 11,804.60 and 2,323.44

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Solution

The fourth proportional to 7,871.58, 11,804.60 and 2,323.44 is: 3,484.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,871.58 : 11,804.60 = 2,323.44 : x
  2. Step 2: Convert to fraction form
    7,871.58/11,804.60 = 2,323.44/x
  3. Step 3: Cross multiply
    7,871.58x = 11,804.60 × 2,323.44
  4. Step 4: Simplify right side
    7,871.58x = 27,427,268.21
  5. Step 5: Solve for x
    x = 27,427,268.21/7,871.58
  6. Step 6: Final answer
    x = 3,484.34

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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.