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Finding the Fourth Proportional to 36,808.75, 55,213.67 and 9,106.75

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Solution

The fourth proportional to 36,808.75, 55,213.67 and 9,106.75 is: 13,660.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,808.75 : 55,213.67 = 9,106.75 : x
  2. Step 2: Convert to fraction form
    36,808.75/55,213.67 = 9,106.75/x
  3. Step 3: Cross multiply
    36,808.75x = 55,213.67 × 9,106.75
  4. Step 4: Simplify right side
    36,808.75x = 502,817,089.27
  5. Step 5: Solve for x
    x = 502,817,089.27/36,808.75
  6. Step 6: Final answer
    x = 13,660.26

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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.