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Finding the Fourth Proportional to 6,220.62, 8,584.56 and 3,568.32

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Solution

The fourth proportional to 6,220.62, 8,584.56 and 3,568.32 is: 4,924.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.62 : 8,584.56 = 3,568.32 : x
  2. Step 2: Convert to fraction form
    6,220.62/8,584.56 = 3,568.32/x
  3. Step 3: Cross multiply
    6,220.62x = 8,584.56 × 3,568.32
  4. Step 4: Simplify right side
    6,220.62x = 30,632,457.14
  5. Step 5: Solve for x
    x = 30,632,457.14/6,220.62
  6. Step 6: Final answer
    x = 4,924.34

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Half scale
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Double scale
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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.