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Finding the Fourth Proportional to 36,851.39, 55,277.08 and 9,149.39

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Solution

The fourth proportional to 36,851.39, 55,277.08 and 9,149.39 is: 13,724.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,851.39 : 55,277.08 = 9,149.39 : x
  2. Step 2: Convert to fraction form
    36,851.39/55,277.08 = 9,149.39/x
  3. Step 3: Cross multiply
    36,851.39x = 55,277.08 × 9,149.39
  4. Step 4: Simplify right side
    36,851.39x = 505,751,240.85
  5. Step 5: Solve for x
    x = 505,751,240.85/36,851.39
  6. Step 6: Final answer
    x = 13,724.08

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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.