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Finding the Fourth Proportional to 33,505.47, 46,237.59 and 18,399.11

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Solution

The fourth proportional to 33,505.47, 46,237.59 and 18,399.11 is: 25,390.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,505.47 : 46,237.59 = 18,399.11 : x
  2. Step 2: Convert to fraction form
    33,505.47/46,237.59 = 18,399.11/x
  3. Step 3: Cross multiply
    33,505.47x = 46,237.59 × 18,399.11
  4. Step 4: Simplify right side
    33,505.47x = 850,730,273.36
  5. Step 5: Solve for x
    x = 850,730,273.36/33,505.47
  6. Step 6: Final answer
    x = 25,390.79

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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.