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Finding the Fourth Proportional to 15,993.52, 23,992.35 and 8,587.84

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Solution

The fourth proportional to 15,993.52, 23,992.35 and 8,587.84 is: 12,882.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,993.52 : 23,992.35 = 8,587.84 : x
  2. Step 2: Convert to fraction form
    15,993.52/23,992.35 = 8,587.84/x
  3. Step 3: Cross multiply
    15,993.52x = 23,992.35 × 8,587.84
  4. Step 4: Simplify right side
    15,993.52x = 206,042,463.02
  5. Step 5: Solve for x
    x = 206,042,463.02/15,993.52
  6. Step 6: Final answer
    x = 12,882.87

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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.