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Finding the Fourth Proportional to 14,041.98, 21,044.31 and 7,453.98

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Solution

The fourth proportional to 14,041.98, 21,044.31 and 7,453.98 is: 11,171.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,041.98 : 21,044.31 = 7,453.98 : x
  2. Step 2: Convert to fraction form
    14,041.98/21,044.31 = 7,453.98/x
  3. Step 3: Cross multiply
    14,041.98x = 21,044.31 × 7,453.98
  4. Step 4: Simplify right side
    14,041.98x = 156,863,865.85
  5. Step 5: Solve for x
    x = 156,863,865.85/14,041.98
  6. Step 6: Final answer
    x = 11,171.06

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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.