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Finding the Fourth Proportional to 2,260.49, 3,389.49 and 700.06

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Solution

The fourth proportional to 2,260.49, 3,389.49 and 700.06 is: 1,049.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,260.49 : 3,389.49 = 700.06 : x
  2. Step 2: Convert to fraction form
    2,260.49/3,389.49 = 700.06/x
  3. Step 3: Cross multiply
    2,260.49x = 3,389.49 × 700.06
  4. Step 4: Simplify right side
    2,260.49x = 2,372,846.37
  5. Step 5: Solve for x
    x = 2,372,846.37/2,260.49
  6. Step 6: Final answer
    x = 1,049.70

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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.