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Finding the Fourth Proportional to 36,782.06, 55,173.23 and 9,080.06

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Solution

The fourth proportional to 36,782.06, 55,173.23 and 9,080.06 is: 13,620.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,782.06 : 55,173.23 = 9,080.06 : x
  2. Step 2: Convert to fraction form
    36,782.06/55,173.23 = 9,080.06/x
  3. Step 3: Cross multiply
    36,782.06x = 55,173.23 × 9,080.06
  4. Step 4: Simplify right side
    36,782.06x = 500,976,399.43
  5. Step 5: Solve for x
    x = 500,976,399.43/36,782.06
  6. Step 6: Final answer
    x = 13,620.13

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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.