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Finding the Fourth Proportional to 13,803.15, 19,050.80 and 7,833.63

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Solution

The fourth proportional to 13,803.15, 19,050.80 and 7,833.63 is: 10,811.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,803.15 : 19,050.80 = 7,833.63 : x
  2. Step 2: Convert to fraction form
    13,803.15/19,050.80 = 7,833.63/x
  3. Step 3: Cross multiply
    13,803.15x = 19,050.80 × 7,833.63
  4. Step 4: Simplify right side
    13,803.15x = 149,236,879.24
  5. Step 5: Solve for x
    x = 149,236,879.24/13,803.15
  6. Step 6: Final answer
    x = 10,811.80

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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.