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Finding the Fourth Proportional to 57,481.68, 86,222.55 and 15,928.68

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Solution

The fourth proportional to 57,481.68, 86,222.55 and 15,928.68 is: 23,893.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,481.68 : 86,222.55 = 15,928.68 : x
  2. Step 2: Convert to fraction form
    57,481.68/86,222.55 = 15,928.68/x
  3. Step 3: Cross multiply
    57,481.68x = 86,222.55 × 15,928.68
  4. Step 4: Simplify right side
    57,481.68x = 1,373,411,407.73
  5. Step 5: Solve for x
    x = 1,373,411,407.73/57,481.68
  6. Step 6: Final answer
    x = 23,893.03

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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.