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Finding the Fourth Proportional to 6,652.10, 9,179.89 and 3,819.66

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Solution

The fourth proportional to 6,652.10, 9,179.89 and 3,819.66 is: 5,271.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,652.10 : 9,179.89 = 3,819.66 : x
  2. Step 2: Convert to fraction form
    6,652.10/9,179.89 = 3,819.66/x
  3. Step 3: Cross multiply
    6,652.10x = 9,179.89 × 3,819.66
  4. Step 4: Simplify right side
    6,652.10x = 35,064,063.41
  5. Step 5: Solve for x
    x = 35,064,063.41/6,652.10
  6. Step 6: Final answer
    x = 5,271.12

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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.