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Finding the Fourth Proportional to 44,588.78, 66,890.09 and 15,004.31

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Solution

The fourth proportional to 44,588.78, 66,890.09 and 15,004.31 is: 22,508.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,588.78 : 66,890.09 = 15,004.31 : x
  2. Step 2: Convert to fraction form
    44,588.78/66,890.09 = 15,004.31/x
  3. Step 3: Cross multiply
    44,588.78x = 66,890.09 × 15,004.31
  4. Step 4: Simplify right side
    44,588.78x = 1,003,639,236.82
  5. Step 5: Solve for x
    x = 1,003,639,236.82/44,588.78
  6. Step 6: Final answer
    x = 22,508.79

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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.