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Finding the Fourth Proportional to 12,600.32, 18,883.20 and 7,975.04

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Solution

The fourth proportional to 12,600.32, 18,883.20 and 7,975.04 is: 11,951.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,600.32 : 18,883.20 = 7,975.04 : x
  2. Step 2: Convert to fraction form
    12,600.32/18,883.20 = 7,975.04/x
  3. Step 3: Cross multiply
    12,600.32x = 18,883.20 × 7,975.04
  4. Step 4: Simplify right side
    12,600.32x = 150,594,275.33
  5. Step 5: Solve for x
    x = 150,594,275.33/12,600.32
  6. Step 6: Final answer
    x = 11,951.62

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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.