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Finding the Fourth Proportional to 57,473.82, 86,265 and 35,330.40

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Solution

The fourth proportional to 57,473.82, 86,265 and 35,330.40 is: 53,028.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,473.82 : 86,265 = 35,330.40 : x
  2. Step 2: Convert to fraction form
    57,473.82/86,265 = 35,330.40/x
  3. Step 3: Cross multiply
    57,473.82x = 86,265 × 35,330.40
  4. Step 4: Simplify right side
    57,473.82x = 3,047,776,956
  5. Step 5: Solve for x
    x = 3,047,776,956/57,473.82
  6. Step 6: Final answer
    x = 53,028.96

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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.