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Finding the Fourth Proportional to 16,803.55, 25,187.76 and 6,268.99

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Solution

The fourth proportional to 16,803.55, 25,187.76 and 6,268.99 is: 9,396.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,803.55 : 25,187.76 = 6,268.99 : x
  2. Step 2: Convert to fraction form
    16,803.55/25,187.76 = 6,268.99/x
  3. Step 3: Cross multiply
    16,803.55x = 25,187.76 × 6,268.99
  4. Step 4: Simplify right side
    16,803.55x = 157,901,815.56
  5. Step 5: Solve for x
    x = 157,901,815.56/16,803.55
  6. Step 6: Final answer
    x = 9,396.93

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Why These Related Problems?

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