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Finding the Fourth Proportional to 1,886.73, 2,603.67 and 1,035.97

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Solution

The fourth proportional to 1,886.73, 2,603.67 and 1,035.97 is: 1,429.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,886.73 : 2,603.67 = 1,035.97 : x
  2. Step 2: Convert to fraction form
    1,886.73/2,603.67 = 1,035.97/x
  3. Step 3: Cross multiply
    1,886.73x = 2,603.67 × 1,035.97
  4. Step 4: Simplify right side
    1,886.73x = 2,697,324.01
  5. Step 5: Solve for x
    x = 2,697,324.01/1,886.73
  6. Step 6: Final answer
    x = 1,429.63

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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.