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Finding the Fourth Proportional to 36,514.76, 54,772.12 and 8,812.76

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Solution

The fourth proportional to 36,514.76, 54,772.12 and 8,812.76 is: 13,219.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,514.76 : 54,772.12 = 8,812.76 : x
  2. Step 2: Convert to fraction form
    36,514.76/54,772.12 = 8,812.76/x
  3. Step 3: Cross multiply
    36,514.76x = 54,772.12 × 8,812.76
  4. Step 4: Simplify right side
    36,514.76x = 482,693,548.25
  5. Step 5: Solve for x
    x = 482,693,548.25/36,514.76
  6. Step 6: Final answer
    x = 13,219.14

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Similar ratio
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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.