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Finding the Fourth Proportional to 1,834.50, 2,751.21 and 535.66

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Solution

The fourth proportional to 1,834.50, 2,751.21 and 535.66 is: 803.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,834.50 : 2,751.21 = 535.66 : x
  2. Step 2: Convert to fraction form
    1,834.50/2,751.21 = 535.66/x
  3. Step 3: Cross multiply
    1,834.50x = 2,751.21 × 535.66
  4. Step 4: Simplify right side
    1,834.50x = 1,473,713.15
  5. Step 5: Solve for x
    x = 1,473,713.15/1,834.50
  6. Step 6: Final answer
    x = 803.33

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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.