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Finding the Fourth Proportional to 5,292.78, 7,940.19 and 1,594.82

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Solution

The fourth proportional to 5,292.78, 7,940.19 and 1,594.82 is: 2,392.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,292.78 : 7,940.19 = 1,594.82 : x
  2. Step 2: Convert to fraction form
    5,292.78/7,940.19 = 1,594.82/x
  3. Step 3: Cross multiply
    5,292.78x = 7,940.19 × 1,594.82
  4. Step 4: Simplify right side
    5,292.78x = 12,663,199.65
  5. Step 5: Solve for x
    x = 12,663,199.65/5,292.78
  6. Step 6: Final answer
    x = 2,392.54

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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.