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Finding the Fourth Proportional to 36,849.32, 55,273.98 and 9,147.32

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Solution

The fourth proportional to 36,849.32, 55,273.98 and 9,147.32 is: 13,720.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,849.32 : 55,273.98 = 9,147.32 : x
  2. Step 2: Convert to fraction form
    36,849.32/55,273.98 = 9,147.32/x
  3. Step 3: Cross multiply
    36,849.32x = 55,273.98 × 9,147.32
  4. Step 4: Simplify right side
    36,849.32x = 505,608,782.73
  5. Step 5: Solve for x
    x = 505,608,782.73/36,849.32
  6. Step 6: Final answer
    x = 13,720.98

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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.