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Finding the Fourth Proportional to 6,328.41, 8,732.82 and 3,811.34

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Solution

The fourth proportional to 6,328.41, 8,732.82 and 3,811.34 is: 5,259.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,328.41 : 8,732.82 = 3,811.34 : x
  2. Step 2: Convert to fraction form
    6,328.41/8,732.82 = 3,811.34/x
  3. Step 3: Cross multiply
    6,328.41x = 8,732.82 × 3,811.34
  4. Step 4: Simplify right side
    6,328.41x = 33,283,702.51
  5. Step 5: Solve for x
    x = 33,283,702.51/6,328.41
  6. Step 6: Final answer
    x = 5,259.41

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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.