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Finding the Fourth Proportional to 19,055.25, 28,584.50 and 5,204.25

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Solution

The fourth proportional to 19,055.25, 28,584.50 and 5,204.25 is: 7,806.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,055.25 : 28,584.50 = 5,204.25 : x
  2. Step 2: Convert to fraction form
    19,055.25/28,584.50 = 5,204.25/x
  3. Step 3: Cross multiply
    19,055.25x = 28,584.50 × 5,204.25
  4. Step 4: Simplify right side
    19,055.25x = 148,760,858.10
  5. Step 5: Solve for x
    x = 148,760,858.10/19,055.25
  6. Step 6: Final answer
    x = 7,806.82

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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.