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Finding the Fourth Proportional to 57,516.80, 86,323.80 and 22,481.60

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Solution

The fourth proportional to 57,516.80, 86,323.80 and 22,481.60 is: 33,741.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,516.80 : 86,323.80 = 22,481.60 : x
  2. Step 2: Convert to fraction form
    57,516.80/86,323.80 = 22,481.60/x
  3. Step 3: Cross multiply
    57,516.80x = 86,323.80 × 22,481.60
  4. Step 4: Simplify right side
    57,516.80x = 1,940,697,142.08
  5. Step 5: Solve for x
    x = 1,940,697,142.08/57,516.80
  6. Step 6: Final answer
    x = 33,741.40

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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.