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Finding the Fourth Proportional to 57,093.60, 85,632.84 and 25,921.68

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Solution

The fourth proportional to 57,093.60, 85,632.84 and 25,921.68 is: 38,879.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,093.60 : 85,632.84 = 25,921.68 : x
  2. Step 2: Convert to fraction form
    57,093.60/85,632.84 = 25,921.68/x
  3. Step 3: Cross multiply
    57,093.60x = 85,632.84 × 25,921.68
  4. Step 4: Simplify right side
    57,093.60x = 2,219,747,075.97
  5. Step 5: Solve for x
    x = 2,219,747,075.97/57,093.60
  6. Step 6: Final answer
    x = 38,879.09

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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.