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Finding the Fourth Proportional to 37,183.78, 55,775.78 and 26,139.88

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Solution

The fourth proportional to 37,183.78, 55,775.78 and 26,139.88 is: 39,209.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,183.78 : 55,775.78 = 26,139.88 : x
  2. Step 2: Convert to fraction form
    37,183.78/55,775.78 = 26,139.88/x
  3. Step 3: Cross multiply
    37,183.78x = 55,775.78 × 26,139.88
  4. Step 4: Simplify right side
    37,183.78x = 1,457,971,786.53
  5. Step 5: Solve for x
    x = 1,457,971,786.53/37,183.78
  6. Step 6: Final answer
    x = 39,209.89

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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.