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Finding the Fourth Proportional to 19,054.83, 28,583.03 and 7,207.44

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Solution

The fourth proportional to 19,054.83, 28,583.03 and 7,207.44 is: 10,811.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,054.83 : 28,583.03 = 7,207.44 : x
  2. Step 2: Convert to fraction form
    19,054.83/28,583.03 = 7,207.44/x
  3. Step 3: Cross multiply
    19,054.83x = 28,583.03 × 7,207.44
  4. Step 4: Simplify right side
    19,054.83x = 206,010,473.74
  5. Step 5: Solve for x
    x = 206,010,473.74/19,054.83
  6. Step 6: Final answer
    x = 10,811.46

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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.