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Finding the Fourth Proportional to 6,173.92, 8,520.14 and 3,655.99

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Solution

The fourth proportional to 6,173.92, 8,520.14 and 3,655.99 is: 5,045.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,173.92 : 8,520.14 = 3,655.99 : x
  2. Step 2: Convert to fraction form
    6,173.92/8,520.14 = 3,655.99/x
  3. Step 3: Cross multiply
    6,173.92x = 8,520.14 × 3,655.99
  4. Step 4: Simplify right side
    6,173.92x = 31,149,497.94
  5. Step 5: Solve for x
    x = 31,149,497.94/6,173.92
  6. Step 6: Final answer
    x = 5,045.33

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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.