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Finding the Fourth Proportional to 13,803.00, 19,050.62 and 8,137.41

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Solution

The fourth proportional to 13,803.00, 19,050.62 and 8,137.41 is: 11,231.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,803.00 : 19,050.62 = 8,137.41 : x
  2. Step 2: Convert to fraction form
    13,803.00/19,050.62 = 8,137.41/x
  3. Step 3: Cross multiply
    13,803.00x = 19,050.62 × 8,137.41
  4. Step 4: Simplify right side
    13,803.00x = 155,022,569.75
  5. Step 5: Solve for x
    x = 155,022,569.75/13,803.00
  6. Step 6: Final answer
    x = 11,231.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.