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Finding the Fourth Proportional to 11,599.62, 16,118.52 and 11,479.20

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Solution

The fourth proportional to 11,599.62, 16,118.52 and 11,479.20 is: 15,951.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,599.62 : 16,118.52 = 11,479.20 : x
  2. Step 2: Convert to fraction form
    11,599.62/16,118.52 = 11,479.20/x
  3. Step 3: Cross multiply
    11,599.62x = 16,118.52 × 11,479.20
  4. Step 4: Simplify right side
    11,599.62x = 185,027,714.78
  5. Step 5: Solve for x
    x = 185,027,714.78/11,599.62
  6. Step 6: Final answer
    x = 15,951.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.