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Finding the Fourth Proportional to 37,090.20, 55,629.90 and 10,792.20

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Solution

The fourth proportional to 37,090.20, 55,629.90 and 10,792.20 is: 16,186.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,090.20 : 55,629.90 = 10,792.20 : x
  2. Step 2: Convert to fraction form
    37,090.20/55,629.90 = 10,792.20/x
  3. Step 3: Cross multiply
    37,090.20x = 55,629.90 × 10,792.20
  4. Step 4: Simplify right side
    37,090.20x = 600,369,006.78
  5. Step 5: Solve for x
    x = 600,369,006.78/37,090.20
  6. Step 6: Final answer
    x = 16,186.73

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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.