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Finding the Fourth Proportional to 8,568, 11,823.36 and 6,213.12

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Solution

The fourth proportional to 8,568, 11,823.36 and 6,213.12 is: 8,573.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,568 : 11,823.36 = 6,213.12 : x
  2. Step 2: Convert to fraction form
    8,568/11,823.36 = 6,213.12/x
  3. Step 3: Cross multiply
    8,568x = 11,823.36 × 6,213.12
  4. Step 4: Simplify right side
    8,568x = 73,459,954.48
  5. Step 5: Solve for x
    x = 73,459,954.48/8,568
  6. Step 6: Final answer
    x = 8,573.76

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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.