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Finding the Fourth Proportional to 11,157, 16,725.96 and 4,579.08

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Solution

The fourth proportional to 11,157, 16,725.96 and 4,579.08 is: 6,864.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,157 : 16,725.96 = 4,579.08 : x
  2. Step 2: Convert to fraction form
    11,157/16,725.96 = 4,579.08/x
  3. Step 3: Cross multiply
    11,157x = 16,725.96 × 4,579.08
  4. Step 4: Simplify right side
    11,157x = 76,589,508.92
  5. Step 5: Solve for x
    x = 76,589,508.92/11,157
  6. Step 6: Final answer
    x = 6,864.70

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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.