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Finding the Fourth Proportional to 1,790.92, 2,474.60 and 1,479.88

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Solution

The fourth proportional to 1,790.92, 2,474.60 and 1,479.88 is: 2,044.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790.92 : 2,474.60 = 1,479.88 : x
  2. Step 2: Convert to fraction form
    1,790.92/2,474.60 = 1,479.88/x
  3. Step 3: Cross multiply
    1,790.92x = 2,474.60 × 1,479.88
  4. Step 4: Simplify right side
    1,790.92x = 3,662,111.05
  5. Step 5: Solve for x
    x = 3,662,111.05/1,790.92
  6. Step 6: Final answer
    x = 2,044.82

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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.