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Finding the Fourth Proportional to 2,961.03, 4,085.71 and 1,701.79

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Solution

The fourth proportional to 2,961.03, 4,085.71 and 1,701.79 is: 2,348.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961.03 : 4,085.71 = 1,701.79 : x
  2. Step 2: Convert to fraction form
    2,961.03/4,085.71 = 1,701.79/x
  3. Step 3: Cross multiply
    2,961.03x = 4,085.71 × 1,701.79
  4. Step 4: Simplify right side
    2,961.03x = 6,953,020.42
  5. Step 5: Solve for x
    x = 6,953,020.42/2,961.03
  6. Step 6: Final answer
    x = 2,348.18

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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.