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Finding the Fourth Proportional to 1,862.94, 2,795.10 and 1,343.54

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Solution

The fourth proportional to 1,862.94, 2,795.10 and 1,343.54 is: 2,015.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,862.94 : 2,795.10 = 1,343.54 : x
  2. Step 2: Convert to fraction form
    1,862.94/2,795.10 = 1,343.54/x
  3. Step 3: Cross multiply
    1,862.94x = 2,795.10 × 1,343.54
  4. Step 4: Simplify right side
    1,862.94x = 3,755,314.68
  5. Step 5: Solve for x
    x = 3,755,314.68/1,862.94
  6. Step 6: Final answer
    x = 2,015.80

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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.