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Finding the Fourth Proportional to 5,288.94, 7,934.30 and 1,825.38

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Solution

The fourth proportional to 5,288.94, 7,934.30 and 1,825.38 is: 2,738.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288.94 : 7,934.30 = 1,825.38 : x
  2. Step 2: Convert to fraction form
    5,288.94/7,934.30 = 1,825.38/x
  3. Step 3: Cross multiply
    5,288.94x = 7,934.30 × 1,825.38
  4. Step 4: Simplify right side
    5,288.94x = 14,483,112.53
  5. Step 5: Solve for x
    x = 14,483,112.53/5,288.94
  6. Step 6: Final answer
    x = 2,738.38

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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.