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Finding the Fourth Proportional to 15,804.44, 23,719.62 and 8,015.48

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Solution

The fourth proportional to 15,804.44, 23,719.62 and 8,015.48 is: 12,029.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,804.44 : 23,719.62 = 8,015.48 : x
  2. Step 2: Convert to fraction form
    15,804.44/23,719.62 = 8,015.48/x
  3. Step 3: Cross multiply
    15,804.44x = 23,719.62 × 8,015.48
  4. Step 4: Simplify right side
    15,804.44x = 190,124,139.72
  5. Step 5: Solve for x
    x = 190,124,139.72/15,804.44
  6. Step 6: Final answer
    x = 12,029.79

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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.