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Finding the Fourth Proportional to 2,704.92, 4,059.06 and 1,731.72

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Solution

The fourth proportional to 2,704.92, 4,059.06 and 1,731.72 is: 2,598.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,704.92 : 4,059.06 = 1,731.72 : x
  2. Step 2: Convert to fraction form
    2,704.92/4,059.06 = 1,731.72/x
  3. Step 3: Cross multiply
    2,704.92x = 4,059.06 × 1,731.72
  4. Step 4: Simplify right side
    2,704.92x = 7,029,155.38
  5. Step 5: Solve for x
    x = 7,029,155.38/2,704.92
  6. Step 6: Final answer
    x = 2,598.66

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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.