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Finding the Fourth Proportional to 3,371.41, 4,650.27 and 2,928.54

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Solution

The fourth proportional to 3,371.41, 4,650.27 and 2,928.54 is: 4,039.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,371.41 : 4,650.27 = 2,928.54 : x
  2. Step 2: Convert to fraction form
    3,371.41/4,650.27 = 2,928.54/x
  3. Step 3: Cross multiply
    3,371.41x = 4,650.27 × 2,928.54
  4. Step 4: Simplify right side
    3,371.41x = 13,618,501.71
  5. Step 5: Solve for x
    x = 13,618,501.71/3,371.41
  6. Step 6: Final answer
    x = 4,039.41

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1.5x scale

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.