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Finding the Fourth Proportional to 57,952.73, 86,927.45 and 18,512.21

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Solution

The fourth proportional to 57,952.73, 86,927.45 and 18,512.21 is: 27,767.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,952.73 : 86,927.45 = 18,512.21 : x
  2. Step 2: Convert to fraction form
    57,952.73/86,927.45 = 18,512.21/x
  3. Step 3: Cross multiply
    57,952.73x = 86,927.45 × 18,512.21
  4. Step 4: Simplify right side
    57,952.73x = 1,609,219,333.92
  5. Step 5: Solve for x
    x = 1,609,219,333.92/57,952.73
  6. Step 6: Final answer
    x = 27,767.79

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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.