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Finding the Fourth Proportional to 3,150.66, 4,721.16 and 1,834.82

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Solution

The fourth proportional to 3,150.66, 4,721.16 and 1,834.82 is: 2,749.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.66 : 4,721.16 = 1,834.82 : x
  2. Step 2: Convert to fraction form
    3,150.66/4,721.16 = 1,834.82/x
  3. Step 3: Cross multiply
    3,150.66x = 4,721.16 × 1,834.82
  4. Step 4: Simplify right side
    3,150.66x = 8,662,455.19
  5. Step 5: Solve for x
    x = 8,662,455.19/3,150.66
  6. Step 6: Final answer
    x = 2,749.41

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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.