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Finding the Fourth Proportional to 2,260.93, 3,389.04 and 873.88

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Solution

The fourth proportional to 2,260.93, 3,389.04 and 873.88 is: 1,309.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,260.93 : 3,389.04 = 873.88 : x
  2. Step 2: Convert to fraction form
    2,260.93/3,389.04 = 873.88/x
  3. Step 3: Cross multiply
    2,260.93x = 3,389.04 × 873.88
  4. Step 4: Simplify right side
    2,260.93x = 2,961,614.28
  5. Step 5: Solve for x
    x = 2,961,614.28/2,260.93
  6. Step 6: Final answer
    x = 1,309.91

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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.