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Finding the Fourth Proportional to 36,791.58, 55,189.20 and 10,500.20

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Solution

The fourth proportional to 36,791.58, 55,189.20 and 10,500.20 is: 15,750.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,791.58 : 55,189.20 = 10,500.20 : x
  2. Step 2: Convert to fraction form
    36,791.58/55,189.20 = 10,500.20/x
  3. Step 3: Cross multiply
    36,791.58x = 55,189.20 × 10,500.20
  4. Step 4: Simplify right side
    36,791.58x = 579,497,637.84
  5. Step 5: Solve for x
    x = 579,497,637.84/36,791.58
  6. Step 6: Final answer
    x = 15,750.82

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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.