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Finding the Fourth Proportional to 1,374.16, 2,060.70 and 941.44

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Solution

The fourth proportional to 1,374.16, 2,060.70 and 941.44 is: 1,411.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374.16 : 2,060.70 = 941.44 : x
  2. Step 2: Convert to fraction form
    1,374.16/2,060.70 = 941.44/x
  3. Step 3: Cross multiply
    1,374.16x = 2,060.70 × 941.44
  4. Step 4: Simplify right side
    1,374.16x = 1,940,025.41
  5. Step 5: Solve for x
    x = 1,940,025.41/1,374.16
  6. Step 6: Final answer
    x = 1,411.79

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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.