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Finding the Fourth Proportional to 2,833.49, 3,907.87 and 1,935.71

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Solution

The fourth proportional to 2,833.49, 3,907.87 and 1,935.71 is: 2,669.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,833.49 : 3,907.87 = 1,935.71 : x
  2. Step 2: Convert to fraction form
    2,833.49/3,907.87 = 1,935.71/x
  3. Step 3: Cross multiply
    2,833.49x = 3,907.87 × 1,935.71
  4. Step 4: Simplify right side
    2,833.49x = 7,564,503.04
  5. Step 5: Solve for x
    x = 7,564,503.04/2,833.49
  6. Step 6: Final answer
    x = 2,669.68

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