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Finding the Fourth Proportional to 1,704.46, 2,351.58 and 995.72

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Solution

The fourth proportional to 1,704.46, 2,351.58 and 995.72 is: 1,373.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,704.46 : 2,351.58 = 995.72 : x
  2. Step 2: Convert to fraction form
    1,704.46/2,351.58 = 995.72/x
  3. Step 3: Cross multiply
    1,704.46x = 2,351.58 × 995.72
  4. Step 4: Simplify right side
    1,704.46x = 2,341,515.24
  5. Step 5: Solve for x
    x = 2,341,515.24/1,704.46
  6. Step 6: Final answer
    x = 1,373.76

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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.