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Finding the Fourth Proportional to 55,825.45, 83,751.81 and 27,758.71

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Solution

The fourth proportional to 55,825.45, 83,751.81 and 27,758.71 is: 41,644.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,825.45 : 83,751.81 = 27,758.71 : x
  2. Step 2: Convert to fraction form
    55,825.45/83,751.81 = 27,758.71/x
  3. Step 3: Cross multiply
    55,825.45x = 83,751.81 × 27,758.71
  4. Step 4: Simplify right side
    55,825.45x = 2,324,842,206.36
  5. Step 5: Solve for x
    x = 2,324,842,206.36/55,825.45
  6. Step 6: Final answer
    x = 41,644.85

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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.