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Finding the Fourth Proportional to 57,677.82, 86,516.73 and 13,901.82

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Solution

The fourth proportional to 57,677.82, 86,516.73 and 13,901.82 is: 20,852.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,677.82 : 86,516.73 = 13,901.82 : x
  2. Step 2: Convert to fraction form
    57,677.82/86,516.73 = 13,901.82/x
  3. Step 3: Cross multiply
    57,677.82x = 86,516.73 × 13,901.82
  4. Step 4: Simplify right side
    57,677.82x = 1,202,740,007.45
  5. Step 5: Solve for x
    x = 1,202,740,007.45/57,677.82
  6. Step 6: Final answer
    x = 20,852.73

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Similar ratio
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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.