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Finding the Fourth Proportional to 51,019.44, 76,530.60 and 14,083.44

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Solution

The fourth proportional to 51,019.44, 76,530.60 and 14,083.44 is: 21,125.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,019.44 : 76,530.60 = 14,083.44 : x
  2. Step 2: Convert to fraction form
    51,019.44/76,530.60 = 14,083.44/x
  3. Step 3: Cross multiply
    51,019.44x = 76,530.60 × 14,083.44
  4. Step 4: Simplify right side
    51,019.44x = 1,077,814,113.26
  5. Step 5: Solve for x
    x = 1,077,814,113.26/51,019.44
  6. Step 6: Final answer
    x = 21,125.56

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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.