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Finding the Fourth Proportional to 33,036.66, 45,579.48 and 18,879.48

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Solution

The fourth proportional to 33,036.66, 45,579.48 and 18,879.48 is: 26,047.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,036.66 : 45,579.48 = 18,879.48 : x
  2. Step 2: Convert to fraction form
    33,036.66/45,579.48 = 18,879.48/x
  3. Step 3: Cross multiply
    33,036.66x = 45,579.48 × 18,879.48
  4. Step 4: Simplify right side
    33,036.66x = 860,516,881.07
  5. Step 5: Solve for x
    x = 860,516,881.07/33,036.66
  6. Step 6: Final answer
    x = 26,047.33

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