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Finding the Fourth Proportional to 2,678.67, 4,016.07 and 1,034.91

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Solution

The fourth proportional to 2,678.67, 4,016.07 and 1,034.91 is: 1,551.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678.67 : 4,016.07 = 1,034.91 : x
  2. Step 2: Convert to fraction form
    2,678.67/4,016.07 = 1,034.91/x
  3. Step 3: Cross multiply
    2,678.67x = 4,016.07 × 1,034.91
  4. Step 4: Simplify right side
    2,678.67x = 4,156,271.00
  5. Step 5: Solve for x
    x = 4,156,271.00/2,678.67
  6. Step 6: Final answer
    x = 1,551.62

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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.