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Finding the Fourth Proportional to 6,229.90, 8,595.36 and 3,540.91

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Solution

The fourth proportional to 6,229.90, 8,595.36 and 3,540.91 is: 4,885.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,229.90 : 8,595.36 = 3,540.91 : x
  2. Step 2: Convert to fraction form
    6,229.90/8,595.36 = 3,540.91/x
  3. Step 3: Cross multiply
    6,229.90x = 8,595.36 × 3,540.91
  4. Step 4: Simplify right side
    6,229.90x = 30,435,416.40
  5. Step 5: Solve for x
    x = 30,435,416.40/6,229.90
  6. Step 6: Final answer
    x = 4,885.38

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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.