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Finding the Fourth Proportional to 1,834.60, 2,750.46 and 1,255.72

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Solution

The fourth proportional to 1,834.60, 2,750.46 and 1,255.72 is: 1,882.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,834.60 : 2,750.46 = 1,255.72 : x
  2. Step 2: Convert to fraction form
    1,834.60/2,750.46 = 1,255.72/x
  3. Step 3: Cross multiply
    1,834.60x = 2,750.46 × 1,255.72
  4. Step 4: Simplify right side
    1,834.60x = 3,453,807.63
  5. Step 5: Solve for x
    x = 3,453,807.63/1,834.60
  6. Step 6: Final answer
    x = 1,882.59

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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.