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Finding the Fourth Proportional to 57,383.91, 86,080.82 and 15,830.91

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Solution

The fourth proportional to 57,383.91, 86,080.82 and 15,830.91 is: 23,747.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,383.91 : 86,080.82 = 15,830.91 : x
  2. Step 2: Convert to fraction form
    57,383.91/86,080.82 = 15,830.91/x
  3. Step 3: Cross multiply
    57,383.91x = 86,080.82 × 15,830.91
  4. Step 4: Simplify right side
    57,383.91x = 1,362,737,538.52
  5. Step 5: Solve for x
    x = 1,362,737,538.52/57,383.91
  6. Step 6: Final answer
    x = 23,747.73

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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.