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Finding the Fourth Proportional to 6,484.88, 9,736.07 and 4,149.45

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Solution

The fourth proportional to 6,484.88, 9,736.07 and 4,149.45 is: 6,229.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,484.88 : 9,736.07 = 4,149.45 : x
  2. Step 2: Convert to fraction form
    6,484.88/9,736.07 = 4,149.45/x
  3. Step 3: Cross multiply
    6,484.88x = 9,736.07 × 4,149.45
  4. Step 4: Simplify right side
    6,484.88x = 40,399,314.76
  5. Step 5: Solve for x
    x = 40,399,314.76/6,484.88
  6. Step 6: Final answer
    x = 6,229.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.