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Finding the Fourth Proportional to 5,979.28, 8,962.28 and 4,513.68

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Solution

The fourth proportional to 5,979.28, 8,962.28 and 4,513.68 is: 6,765.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979.28 : 8,962.28 = 4,513.68 : x
  2. Step 2: Convert to fraction form
    5,979.28/8,962.28 = 4,513.68/x
  3. Step 3: Cross multiply
    5,979.28x = 8,962.28 × 4,513.68
  4. Step 4: Simplify right side
    5,979.28x = 40,452,863.99
  5. Step 5: Solve for x
    x = 40,452,863.99/5,979.28
  6. Step 6: Final answer
    x = 6,765.51

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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.