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Finding the Fourth Proportional to 33,610.40, 46,381.56 and 18,502.64

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Solution

The fourth proportional to 33,610.40, 46,381.56 and 18,502.64 is: 25,533.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,610.40 : 46,381.56 = 18,502.64 : x
  2. Step 2: Convert to fraction form
    33,610.40/46,381.56 = 18,502.64/x
  3. Step 3: Cross multiply
    33,610.40x = 46,381.56 × 18,502.64
  4. Step 4: Simplify right side
    33,610.40x = 858,181,307.32
  5. Step 5: Solve for x
    x = 858,181,307.32/33,610.40
  6. Step 6: Final answer
    x = 25,533.21

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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.