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Finding the Fourth Proportional to 30,101.14, 41,539.80 and 16,672.60

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Solution

The fourth proportional to 30,101.14, 41,539.80 and 16,672.60 is: 23,008.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,101.14 : 41,539.80 = 16,672.60 : x
  2. Step 2: Convert to fraction form
    30,101.14/41,539.80 = 16,672.60/x
  3. Step 3: Cross multiply
    30,101.14x = 41,539.80 × 16,672.60
  4. Step 4: Simplify right side
    30,101.14x = 692,576,469.48
  5. Step 5: Solve for x
    x = 692,576,469.48/30,101.14
  6. Step 6: Final answer
    x = 23,008.31

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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.