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Finding the Fourth Proportional to 22,055.00, 30,438.11 and 13,104.50

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Solution

The fourth proportional to 22,055.00, 30,438.11 and 13,104.50 is: 18,085.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,055.00 : 30,438.11 = 13,104.50 : x
  2. Step 2: Convert to fraction form
    22,055.00/30,438.11 = 13,104.50/x
  3. Step 3: Cross multiply
    22,055.00x = 30,438.11 × 13,104.50
  4. Step 4: Simplify right side
    22,055.00x = 398,876,093.07
  5. Step 5: Solve for x
    x = 398,876,093.07/22,055.00
  6. Step 6: Final answer
    x = 18,085.52

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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.