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Finding the Fourth Proportional to 1,295.46, 1,944 and 943.41

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Solution

The fourth proportional to 1,295.46, 1,944 and 943.41 is: 1,415.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295.46 : 1,944 = 943.41 : x
  2. Step 2: Convert to fraction form
    1,295.46/1,944 = 943.41/x
  3. Step 3: Cross multiply
    1,295.46x = 1,944 × 943.41
  4. Step 4: Simplify right side
    1,295.46x = 1,833,996.33
  5. Step 5: Solve for x
    x = 1,833,996.33/1,295.46
  6. Step 6: Final answer
    x = 1,415.71

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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.