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Finding the Fourth Proportional to 30,103.37, 41,538.71 and 17,357.03

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Solution

The fourth proportional to 30,103.37, 41,538.71 and 17,357.03 is: 23,950.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,103.37 : 41,538.71 = 17,357.03 : x
  2. Step 2: Convert to fraction form
    30,103.37/41,538.71 = 17,357.03/x
  3. Step 3: Cross multiply
    30,103.37x = 41,538.71 × 17,357.03
  4. Step 4: Simplify right side
    30,103.37x = 720,988,341.15
  5. Step 5: Solve for x
    x = 720,988,341.15/30,103.37
  6. Step 6: Final answer
    x = 23,950.42

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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.