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Finding the Fourth Proportional to 1,871.92, 2,583.21 and 1,032.58

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Solution

The fourth proportional to 1,871.92, 2,583.21 and 1,032.58 is: 1,424.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871.92 : 2,583.21 = 1,032.58 : x
  2. Step 2: Convert to fraction form
    1,871.92/2,583.21 = 1,032.58/x
  3. Step 3: Cross multiply
    1,871.92x = 2,583.21 × 1,032.58
  4. Step 4: Simplify right side
    1,871.92x = 2,667,370.98
  5. Step 5: Solve for x
    x = 2,667,370.98/1,871.92
  6. Step 6: Final answer
    x = 1,424.94

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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.