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Finding the Fourth Proportional to 1,802.87, 2,487.92 and 1,016.94

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Solution

The fourth proportional to 1,802.87, 2,487.92 and 1,016.94 is: 1,403.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,802.87 : 2,487.92 = 1,016.94 : x
  2. Step 2: Convert to fraction form
    1,802.87/2,487.92 = 1,016.94/x
  3. Step 3: Cross multiply
    1,802.87x = 2,487.92 × 1,016.94
  4. Step 4: Simplify right side
    1,802.87x = 2,530,060.28
  5. Step 5: Solve for x
    x = 2,530,060.28/1,802.87
  6. Step 6: Final answer
    x = 1,403.36

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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.