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Finding the Fourth Proportional to 5,872.91, 8,104.80 and 3,354.48

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Solution

The fourth proportional to 5,872.91, 8,104.80 and 3,354.48 is: 4,629.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,872.91 : 8,104.80 = 3,354.48 : x
  2. Step 2: Convert to fraction form
    5,872.91/8,104.80 = 3,354.48/x
  3. Step 3: Cross multiply
    5,872.91x = 8,104.80 × 3,354.48
  4. Step 4: Simplify right side
    5,872.91x = 27,187,389.50
  5. Step 5: Solve for x
    x = 27,187,389.50/5,872.91
  6. Step 6: Final answer
    x = 4,629.29

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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.