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Finding the Fourth Proportional to 1,932.87, 2,667.36 and 1,048.67

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Solution

The fourth proportional to 1,932.87, 2,667.36 and 1,048.67 is: 1,447.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932.87 : 2,667.36 = 1,048.67 : x
  2. Step 2: Convert to fraction form
    1,932.87/2,667.36 = 1,048.67/x
  3. Step 3: Cross multiply
    1,932.87x = 2,667.36 × 1,048.67
  4. Step 4: Simplify right side
    1,932.87x = 2,797,180.41
  5. Step 5: Solve for x
    x = 2,797,180.41/1,932.87
  6. Step 6: Final answer
    x = 1,447.16

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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.