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Finding the Fourth Proportional to 2,983.69, 4,118.24 and 1,725.48

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Solution

The fourth proportional to 2,983.69, 4,118.24 and 1,725.48 is: 2,381.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983.69 : 4,118.24 = 1,725.48 : x
  2. Step 2: Convert to fraction form
    2,983.69/4,118.24 = 1,725.48/x
  3. Step 3: Cross multiply
    2,983.69x = 4,118.24 × 1,725.48
  4. Step 4: Simplify right side
    2,983.69x = 7,105,940.76
  5. Step 5: Solve for x
    x = 7,105,940.76/2,983.69
  6. Step 6: Final answer
    x = 2,381.59

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.