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Finding the Fourth Proportional to 1,493.86, 2,060.08 and 996.52

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Solution

The fourth proportional to 1,493.86, 2,060.08 and 996.52 is: 1,374.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493.86 : 2,060.08 = 996.52 : x
  2. Step 2: Convert to fraction form
    1,493.86/2,060.08 = 996.52/x
  3. Step 3: Cross multiply
    1,493.86x = 2,060.08 × 996.52
  4. Step 4: Simplify right side
    1,493.86x = 2,052,910.92
  5. Step 5: Solve for x
    x = 2,052,910.92/1,493.86
  6. Step 6: Final answer
    x = 1,374.23

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Why These Related Problems?

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