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Finding the Fourth Proportional to 20,514.62, 30,772.06 and 7,367.10

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Solution

The fourth proportional to 20,514.62, 30,772.06 and 7,367.10 is: 11,050.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,514.62 : 30,772.06 = 7,367.10 : x
  2. Step 2: Convert to fraction form
    20,514.62/30,772.06 = 7,367.10/x
  3. Step 3: Cross multiply
    20,514.62x = 30,772.06 × 7,367.10
  4. Step 4: Simplify right side
    20,514.62x = 226,700,824.81
  5. Step 5: Solve for x
    x = 226,700,824.81/20,514.62
  6. Step 6: Final answer
    x = 11,050.70

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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.