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Finding the Fourth Proportional to 6,149.68, 8,487.76 and 3,496.80

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Solution

The fourth proportional to 6,149.68, 8,487.76 and 3,496.80 is: 4,826.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,149.68 : 8,487.76 = 3,496.80 : x
  2. Step 2: Convert to fraction form
    6,149.68/8,487.76 = 3,496.80/x
  3. Step 3: Cross multiply
    6,149.68x = 8,487.76 × 3,496.80
  4. Step 4: Simplify right side
    6,149.68x = 29,679,999.17
  5. Step 5: Solve for x
    x = 29,679,999.17/6,149.68
  6. Step 6: Final answer
    x = 4,826.27

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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.