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Finding the Fourth Proportional to 1,792.70, 2,473.92 and 1,006.73

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Solution

The fourth proportional to 1,792.70, 2,473.92 and 1,006.73 is: 1,389.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,792.70 : 2,473.92 = 1,006.73 : x
  2. Step 2: Convert to fraction form
    1,792.70/2,473.92 = 1,006.73/x
  3. Step 3: Cross multiply
    1,792.70x = 2,473.92 × 1,006.73
  4. Step 4: Simplify right side
    1,792.70x = 2,490,557.11
  5. Step 5: Solve for x
    x = 2,490,557.11/1,792.70
  6. Step 6: Final answer
    x = 1,389.28

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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.