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Finding the Fourth Proportional to 11,898.90, 17,848.31 and 3,014.33

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Solution

The fourth proportional to 11,898.90, 17,848.31 and 3,014.33 is: 4,521.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,898.90 : 17,848.31 = 3,014.33 : x
  2. Step 2: Convert to fraction form
    11,898.90/17,848.31 = 3,014.33/x
  3. Step 3: Cross multiply
    11,898.90x = 17,848.31 × 3,014.33
  4. Step 4: Simplify right side
    11,898.90x = 53,800,591.97
  5. Step 5: Solve for x
    x = 53,800,591.97/11,898.90
  6. Step 6: Final answer
    x = 4,521.48

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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.