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Finding the Fourth Proportional to 57,533.05, 86,297.54 and 20,093.00

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Solution

The fourth proportional to 57,533.05, 86,297.54 and 20,093.00 is: 30,138.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,533.05 : 86,297.54 = 20,093.00 : x
  2. Step 2: Convert to fraction form
    57,533.05/86,297.54 = 20,093.00/x
  3. Step 3: Cross multiply
    57,533.05x = 86,297.54 × 20,093.00
  4. Step 4: Simplify right side
    57,533.05x = 1,733,975,939.27
  5. Step 5: Solve for x
    x = 1,733,975,939.27/57,533.05
  6. Step 6: Final answer
    x = 30,138.78

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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.