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Finding the Fourth Proportional to 55,149.79, 82,696.07 and 27,057.55

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Solution

The fourth proportional to 55,149.79, 82,696.07 and 27,057.55 is: 40,572.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,149.79 : 82,696.07 = 27,057.55 : x
  2. Step 2: Convert to fraction form
    55,149.79/82,696.07 = 27,057.55/x
  3. Step 3: Cross multiply
    55,149.79x = 82,696.07 × 27,057.55
  4. Step 4: Simplify right side
    55,149.79x = 2,237,552,913.54
  5. Step 5: Solve for x
    x = 2,237,552,913.54/55,149.79
  6. Step 6: Final answer
    x = 40,572.28

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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.