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Finding the Fourth Proportional to 55,171.80, 82,800.90 and 25,593.30

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Solution

The fourth proportional to 55,171.80, 82,800.90 and 25,593.30 is: 38,409.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,171.80 : 82,800.90 = 25,593.30 : x
  2. Step 2: Convert to fraction form
    55,171.80/82,800.90 = 25,593.30/x
  3. Step 3: Cross multiply
    55,171.80x = 82,800.90 × 25,593.30
  4. Step 4: Simplify right side
    55,171.80x = 2,119,148,273.97
  5. Step 5: Solve for x
    x = 2,119,148,273.97/55,171.80
  6. Step 6: Final answer
    x = 38,409.99

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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.