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Finding the Fourth Proportional to 12,792.75, 19,200.06 and 5,007.03

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Solution

The fourth proportional to 12,792.75, 19,200.06 and 5,007.03 is: 7,514.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,792.75 : 19,200.06 = 5,007.03 : x
  2. Step 2: Convert to fraction form
    12,792.75/19,200.06 = 5,007.03/x
  3. Step 3: Cross multiply
    12,792.75x = 19,200.06 × 5,007.03
  4. Step 4: Simplify right side
    12,792.75x = 96,135,276.42
  5. Step 5: Solve for x
    x = 96,135,276.42/12,792.75
  6. Step 6: Final answer
    x = 7,514.82

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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.