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Finding the Fourth Proportional to 29,978.10, 41,367.99 and 16,549.02

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Solution

The fourth proportional to 29,978.10, 41,367.99 and 16,549.02 is: 22,836.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,978.10 : 41,367.99 = 16,549.02 : x
  2. Step 2: Convert to fraction form
    29,978.10/41,367.99 = 16,549.02/x
  3. Step 3: Cross multiply
    29,978.10x = 41,367.99 × 16,549.02
  4. Step 4: Simplify right side
    29,978.10x = 684,599,693.87
  5. Step 5: Solve for x
    x = 684,599,693.87/29,978.10
  6. Step 6: Final answer
    x = 22,836.66

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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.