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Finding the Fourth Proportional to 36,507.65, 54,761.54 and 8,805.65

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Solution

The fourth proportional to 36,507.65, 54,761.54 and 8,805.65 is: 13,208.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,507.65 : 54,761.54 = 8,805.65 : x
  2. Step 2: Convert to fraction form
    36,507.65/54,761.54 = 8,805.65/x
  3. Step 3: Cross multiply
    36,507.65x = 54,761.54 × 8,805.65
  4. Step 4: Simplify right side
    36,507.65x = 482,210,636.87
  5. Step 5: Solve for x
    x = 482,210,636.87/36,507.65
  6. Step 6: Final answer
    x = 13,208.48

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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.