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Finding the Fourth Proportional to 57,178.56, 85,738.58 and 23,889.54

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Solution

The fourth proportional to 57,178.56, 85,738.58 and 23,889.54 is: 35,822.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,178.56 : 85,738.58 = 23,889.54 : x
  2. Step 2: Convert to fraction form
    57,178.56/85,738.58 = 23,889.54/x
  3. Step 3: Cross multiply
    57,178.56x = 85,738.58 × 23,889.54
  4. Step 4: Simplify right side
    57,178.56x = 2,048,255,236.45
  5. Step 5: Solve for x
    x = 2,048,255,236.45/57,178.56
  6. Step 6: Final answer
    x = 35,822.08

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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.