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Finding the Fourth Proportional to 2,043.61, 3,064.67 and 873.69

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Solution

The fourth proportional to 2,043.61, 3,064.67 and 873.69 is: 1,310.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,043.61 : 3,064.67 = 873.69 : x
  2. Step 2: Convert to fraction form
    2,043.61/3,064.67 = 873.69/x
  3. Step 3: Cross multiply
    2,043.61x = 3,064.67 × 873.69
  4. Step 4: Simplify right side
    2,043.61x = 2,677,571.53
  5. Step 5: Solve for x
    x = 2,677,571.53/2,043.61
  6. Step 6: Final answer
    x = 1,310.22

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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.