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Finding the Fourth Proportional to 44,662.78, 66,993.76 and 13,498.03

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Solution

The fourth proportional to 44,662.78, 66,993.76 and 13,498.03 is: 20,246.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,662.78 : 66,993.76 = 13,498.03 : x
  2. Step 2: Convert to fraction form
    44,662.78/66,993.76 = 13,498.03/x
  3. Step 3: Cross multiply
    44,662.78x = 66,993.76 × 13,498.03
  4. Step 4: Simplify right side
    44,662.78x = 904,283,782.29
  5. Step 5: Solve for x
    x = 904,283,782.29/44,662.78
  6. Step 6: Final answer
    x = 20,246.92

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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.