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Finding the Fourth Proportional to 36,507.16, 54,760.80 and 8,805.16

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Solution

The fourth proportional to 36,507.16, 54,760.80 and 8,805.16 is: 13,207.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,507.16 : 54,760.80 = 8,805.16 : x
  2. Step 2: Convert to fraction form
    36,507.16/54,760.80 = 8,805.16/x
  3. Step 3: Cross multiply
    36,507.16x = 54,760.80 × 8,805.16
  4. Step 4: Simplify right side
    36,507.16x = 482,177,605.73
  5. Step 5: Solve for x
    x = 482,177,605.73/36,507.16
  6. Step 6: Final answer
    x = 13,207.75

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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.