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Finding the Fourth Proportional to 5,292.26, 7,932.02 and 1,957.85

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Solution

The fourth proportional to 5,292.26, 7,932.02 and 1,957.85 is: 2,934.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,292.26 : 7,932.02 = 1,957.85 : x
  2. Step 2: Convert to fraction form
    5,292.26/7,932.02 = 1,957.85/x
  3. Step 3: Cross multiply
    5,292.26x = 7,932.02 × 1,957.85
  4. Step 4: Simplify right side
    5,292.26x = 15,529,680.63
  5. Step 5: Solve for x
    x = 15,529,680.63/5,292.26
  6. Step 6: Final answer
    x = 2,934.42

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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.