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Finding the Fourth Proportional to 2,842.79, 4,273.30 and 2,696.99

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Solution

The fourth proportional to 2,842.79, 4,273.30 and 2,696.99 is: 4,054.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,842.79 : 4,273.30 = 2,696.99 : x
  2. Step 2: Convert to fraction form
    2,842.79/4,273.30 = 2,696.99/x
  3. Step 3: Cross multiply
    2,842.79x = 4,273.30 × 2,696.99
  4. Step 4: Simplify right side
    2,842.79x = 11,525,047.37
  5. Step 5: Solve for x
    x = 11,525,047.37/2,842.79
  6. Step 6: Final answer
    x = 4,054.13

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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.