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Finding the Fourth Proportional to 1,834.40, 2,751.90 and 1,013.06

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Solution

The fourth proportional to 1,834.40, 2,751.90 and 1,013.06 is: 1,519.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,834.40 : 2,751.90 = 1,013.06 : x
  2. Step 2: Convert to fraction form
    1,834.40/2,751.90 = 1,013.06/x
  3. Step 3: Cross multiply
    1,834.40x = 2,751.90 × 1,013.06
  4. Step 4: Simplify right side
    1,834.40x = 2,787,839.81
  5. Step 5: Solve for x
    x = 2,787,839.81/1,834.40
  6. Step 6: Final answer
    x = 1,519.76

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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.