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Finding the Fourth Proportional to 43,853.22, 65,764.31 and 14,265.54

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Solution

The fourth proportional to 43,853.22, 65,764.31 and 14,265.54 is: 21,393.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,853.22 : 65,764.31 = 14,265.54 : x
  2. Step 2: Convert to fraction form
    43,853.22/65,764.31 = 14,265.54/x
  3. Step 3: Cross multiply
    43,853.22x = 65,764.31 × 14,265.54
  4. Step 4: Simplify right side
    43,853.22x = 938,163,323.55
  5. Step 5: Solve for x
    x = 938,163,323.55/43,853.22
  6. Step 6: Final answer
    x = 21,393.26

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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.