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Finding the Fourth Proportional to 19,283.24, 28,922.30 and 5,433.32

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Solution

The fourth proportional to 19,283.24, 28,922.30 and 5,433.32 is: 8,149.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,283.24 : 28,922.30 = 5,433.32 : x
  2. Step 2: Convert to fraction form
    19,283.24/28,922.30 = 5,433.32/x
  3. Step 3: Cross multiply
    19,283.24x = 28,922.30 × 5,433.32
  4. Step 4: Simplify right side
    19,283.24x = 157,144,111.04
  5. Step 5: Solve for x
    x = 157,144,111.04/19,283.24
  6. Step 6: Final answer
    x = 8,149.26

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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.