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Finding the Fourth Proportional to 5,676.68, 8,523.06 and 3,216.32

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Solution

The fourth proportional to 5,676.68, 8,523.06 and 3,216.32 is: 4,829.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,676.68 : 8,523.06 = 3,216.32 : x
  2. Step 2: Convert to fraction form
    5,676.68/8,523.06 = 3,216.32/x
  3. Step 3: Cross multiply
    5,676.68x = 8,523.06 × 3,216.32
  4. Step 4: Simplify right side
    5,676.68x = 27,412,888.34
  5. Step 5: Solve for x
    x = 27,412,888.34/5,676.68
  6. Step 6: Final answer
    x = 4,829.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.