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Finding the Fourth Proportional to 19,002.57, 28,504.43 and 6,522.42

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Solution

The fourth proportional to 19,002.57, 28,504.43 and 6,522.42 is: 9,783.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,002.57 : 28,504.43 = 6,522.42 : x
  2. Step 2: Convert to fraction form
    19,002.57/28,504.43 = 6,522.42/x
  3. Step 3: Cross multiply
    19,002.57x = 28,504.43 × 6,522.42
  4. Step 4: Simplify right side
    19,002.57x = 185,917,864.32
  5. Step 5: Solve for x
    x = 185,917,864.32/19,002.57
  6. Step 6: Final answer
    x = 9,783.83

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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.