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Finding the Fourth Proportional to 36,174.68, 49,920.52 and 20,259.68

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Solution

The fourth proportional to 36,174.68, 49,920.52 and 20,259.68 is: 27,958.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,174.68 : 49,920.52 = 20,259.68 : x
  2. Step 2: Convert to fraction form
    36,174.68/49,920.52 = 20,259.68/x
  3. Step 3: Cross multiply
    36,174.68x = 49,920.52 × 20,259.68
  4. Step 4: Simplify right side
    36,174.68x = 1,011,373,760.63
  5. Step 5: Solve for x
    x = 1,011,373,760.63/36,174.68
  6. Step 6: Final answer
    x = 27,958.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.