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Finding the Fourth Proportional to 33,045.53, 45,603.18 and 17,938.33

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Solution

The fourth proportional to 33,045.53, 45,603.18 and 17,938.33 is: 24,755.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,045.53 : 45,603.18 = 17,938.33 : x
  2. Step 2: Convert to fraction form
    33,045.53/45,603.18 = 17,938.33/x
  3. Step 3: Cross multiply
    33,045.53x = 45,603.18 × 17,938.33
  4. Step 4: Simplify right side
    33,045.53x = 818,044,777.88
  5. Step 5: Solve for x
    x = 818,044,777.88/33,045.53
  6. Step 6: Final answer
    x = 24,755.08

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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.