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Finding the Fourth Proportional to 5,968.64, 8,236.72 and 3,316.32

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Solution

The fourth proportional to 5,968.64, 8,236.72 and 3,316.32 is: 4,576.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,968.64 : 8,236.72 = 3,316.32 : x
  2. Step 2: Convert to fraction form
    5,968.64/8,236.72 = 3,316.32/x
  3. Step 3: Cross multiply
    5,968.64x = 8,236.72 × 3,316.32
  4. Step 4: Simplify right side
    5,968.64x = 27,315,599.27
  5. Step 5: Solve for x
    x = 27,315,599.27/5,968.64
  6. Step 6: Final answer
    x = 4,576.52

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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.