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Finding the Fourth Proportional to 57,516.67, 86,324.83 and 57,383.68

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Solution

The fourth proportional to 57,516.67, 86,324.83 and 57,383.68 is: 86,125.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,516.67 : 86,324.83 = 57,383.68 : x
  2. Step 2: Convert to fraction form
    57,516.67/86,324.83 = 57,383.68/x
  3. Step 3: Cross multiply
    57,516.67x = 86,324.83 × 57,383.68
  4. Step 4: Simplify right side
    57,516.67x = 4,953,636,420.77
  5. Step 5: Solve for x
    x = 4,953,636,420.77/57,516.67
  6. Step 6: Final answer
    x = 86,125.23

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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.