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Finding the Fourth Proportional to 4,555.88, 6,834.21 and 1,394.03

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Solution

The fourth proportional to 4,555.88, 6,834.21 and 1,394.03 is: 2,091.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,555.88 : 6,834.21 = 1,394.03 : x
  2. Step 2: Convert to fraction form
    4,555.88/6,834.21 = 1,394.03/x
  3. Step 3: Cross multiply
    4,555.88x = 6,834.21 × 1,394.03
  4. Step 4: Simplify right side
    4,555.88x = 9,527,110.85
  5. Step 5: Solve for x
    x = 9,527,110.85/4,555.88
  6. Step 6: Final answer
    x = 2,091.17

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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.