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Finding the Fourth Proportional to 3,016.71, 4,516.90 and 1,974.11

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Solution

The fourth proportional to 3,016.71, 4,516.90 and 1,974.11 is: 2,955.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,016.71 : 4,516.90 = 1,974.11 : x
  2. Step 2: Convert to fraction form
    3,016.71/4,516.90 = 1,974.11/x
  3. Step 3: Cross multiply
    3,016.71x = 4,516.90 × 1,974.11
  4. Step 4: Simplify right side
    3,016.71x = 8,916,829.94
  5. Step 5: Solve for x
    x = 8,916,829.94/3,016.71
  6. Step 6: Final answer
    x = 2,955.81

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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.