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Finding the Fourth Proportional to 6,220.08, 8,584.08 and 3,425.64

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Solution

The fourth proportional to 6,220.08, 8,584.08 and 3,425.64 is: 4,727.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.08 : 8,584.08 = 3,425.64 : x
  2. Step 2: Convert to fraction form
    6,220.08/8,584.08 = 3,425.64/x
  3. Step 3: Cross multiply
    6,220.08x = 8,584.08 × 3,425.64
  4. Step 4: Simplify right side
    6,220.08x = 29,405,967.81
  5. Step 5: Solve for x
    x = 29,405,967.81/6,220.08
  6. Step 6: Final answer
    x = 4,727.59

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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.