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Finding the Fourth Proportional to 1,862.63, 2,792.33 and 937.41

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Solution

The fourth proportional to 1,862.63, 2,792.33 and 937.41 is: 1,405.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,862.63 : 2,792.33 = 937.41 : x
  2. Step 2: Convert to fraction form
    1,862.63/2,792.33 = 937.41/x
  3. Step 3: Cross multiply
    1,862.63x = 2,792.33 × 937.41
  4. Step 4: Simplify right side
    1,862.63x = 2,617,553.38
  5. Step 5: Solve for x
    x = 2,617,553.38/1,862.63
  6. Step 6: Final answer
    x = 1,405.30

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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.