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Finding the Fourth Proportional to 2,362.65, 3,260.49 and 1,314.78

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Solution

The fourth proportional to 2,362.65, 3,260.49 and 1,314.78 is: 1,814.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,362.65 : 3,260.49 = 1,314.78 : x
  2. Step 2: Convert to fraction form
    2,362.65/3,260.49 = 1,314.78/x
  3. Step 3: Cross multiply
    2,362.65x = 3,260.49 × 1,314.78
  4. Step 4: Simplify right side
    2,362.65x = 4,286,827.04
  5. Step 5: Solve for x
    x = 4,286,827.04/2,362.65
  6. Step 6: Final answer
    x = 1,814.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.