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Finding the Fourth Proportional to 57,952.59, 86,935.73 and 20,504.85

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Solution

The fourth proportional to 57,952.59, 86,935.73 and 20,504.85 is: 30,759.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,952.59 : 86,935.73 = 20,504.85 : x
  2. Step 2: Convert to fraction form
    57,952.59/86,935.73 = 20,504.85/x
  3. Step 3: Cross multiply
    57,952.59x = 86,935.73 × 20,504.85
  4. Step 4: Simplify right side
    57,952.59x = 1,782,604,000.77
  5. Step 5: Solve for x
    x = 1,782,604,000.77/57,952.59
  6. Step 6: Final answer
    x = 30,759.70

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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.