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Finding the Fourth Proportional to 28,014.94, 42,022.44 and 16,186.72

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Solution

The fourth proportional to 28,014.94, 42,022.44 and 16,186.72 is: 24,280.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,014.94 : 42,022.44 = 16,186.72 : x
  2. Step 2: Convert to fraction form
    28,014.94/42,022.44 = 16,186.72/x
  3. Step 3: Cross multiply
    28,014.94x = 42,022.44 × 16,186.72
  4. Step 4: Simplify right side
    28,014.94x = 680,205,470.00
  5. Step 5: Solve for x
    x = 680,205,470.00/28,014.94
  6. Step 6: Final answer
    x = 24,280.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.