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Finding the Fourth Proportional to 40,918.56, 56,454.03 and 33,351.88

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Solution

The fourth proportional to 40,918.56, 56,454.03 and 33,351.88 is: 46,014.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,918.56 : 56,454.03 = 33,351.88 : x
  2. Step 2: Convert to fraction form
    40,918.56/56,454.03 = 33,351.88/x
  3. Step 3: Cross multiply
    40,918.56x = 56,454.03 × 33,351.88
  4. Step 4: Simplify right side
    40,918.56x = 1,882,848,034.08
  5. Step 5: Solve for x
    x = 1,882,848,034.08/40,918.56
  6. Step 6: Final answer
    x = 46,014.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.