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Finding the Fourth Proportional to 36,715.09, 55,072.69 and 9,013.09

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Solution

The fourth proportional to 36,715.09, 55,072.69 and 9,013.09 is: 13,519.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,715.09 : 55,072.69 = 9,013.09 : x
  2. Step 2: Convert to fraction form
    36,715.09/55,072.69 = 9,013.09/x
  3. Step 3: Cross multiply
    36,715.09x = 55,072.69 × 9,013.09
  4. Step 4: Simplify right side
    36,715.09x = 496,375,088.98
  5. Step 5: Solve for x
    x = 496,375,088.98/36,715.09
  6. Step 6: Final answer
    x = 13,519.65

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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.