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Finding the Fourth Proportional to 36,873.57, 55,310.34 and 9,171.57

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Solution

The fourth proportional to 36,873.57, 55,310.34 and 9,171.57 is: 13,757.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,873.57 : 55,310.34 = 9,171.57 : x
  2. Step 2: Convert to fraction form
    36,873.57/55,310.34 = 9,171.57/x
  3. Step 3: Cross multiply
    36,873.57x = 55,310.34 × 9,171.57
  4. Step 4: Simplify right side
    36,873.57x = 507,282,655.03
  5. Step 5: Solve for x
    x = 507,282,655.03/36,873.57
  6. Step 6: Final answer
    x = 13,757.35

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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.