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Finding the Fourth Proportional to 6,173.16, 8,519.16 and 3,520.32

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Solution

The fourth proportional to 6,173.16, 8,519.16 and 3,520.32 is: 4,858.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,173.16 : 8,519.16 = 3,520.32 : x
  2. Step 2: Convert to fraction form
    6,173.16/8,519.16 = 3,520.32/x
  3. Step 3: Cross multiply
    6,173.16x = 8,519.16 × 3,520.32
  4. Step 4: Simplify right side
    6,173.16x = 29,990,169.33
  5. Step 5: Solve for x
    x = 29,990,169.33/6,173.16
  6. Step 6: Final answer
    x = 4,858.16

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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.