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Finding the Fourth Proportional to 28,252.22, 38,995.23 and 19,303.34

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Solution

The fourth proportional to 28,252.22, 38,995.23 and 19,303.34 is: 26,643.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,252.22 : 38,995.23 = 19,303.34 : x
  2. Step 2: Convert to fraction form
    28,252.22/38,995.23 = 19,303.34/x
  3. Step 3: Cross multiply
    28,252.22x = 38,995.23 × 19,303.34
  4. Step 4: Simplify right side
    28,252.22x = 752,738,183.07
  5. Step 5: Solve for x
    x = 752,738,183.07/28,252.22
  6. Step 6: Final answer
    x = 26,643.51

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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.