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Finding the Fourth Proportional to 11,257.92, 16,873.72 and 8,475.64

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Solution

The fourth proportional to 11,257.92, 16,873.72 and 8,475.64 is: 12,703.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,257.92 : 16,873.72 = 8,475.64 : x
  2. Step 2: Convert to fraction form
    11,257.92/16,873.72 = 8,475.64/x
  3. Step 3: Cross multiply
    11,257.92x = 16,873.72 × 8,475.64
  4. Step 4: Simplify right side
    11,257.92x = 143,015,512.81
  5. Step 5: Solve for x
    x = 143,015,512.81/11,257.92
  6. Step 6: Final answer
    x = 12,703.55

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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.