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Finding the Fourth Proportional to 44,608.11, 66,917.63 and 20,903.46

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Solution

The fourth proportional to 44,608.11, 66,917.63 and 20,903.46 is: 31,357.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,608.11 : 66,917.63 = 20,903.46 : x
  2. Step 2: Convert to fraction form
    44,608.11/66,917.63 = 20,903.46/x
  3. Step 3: Cross multiply
    44,608.11x = 66,917.63 × 20,903.46
  4. Step 4: Simplify right side
    44,608.11x = 1,398,810,002.00
  5. Step 5: Solve for x
    x = 1,398,810,002.00/44,608.11
  6. Step 6: Final answer
    x = 31,357.75

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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.