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Finding the Fourth Proportional to 15,992.64, 23,991.69 and 5,462.08

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Solution

The fourth proportional to 15,992.64, 23,991.69 and 5,462.08 is: 8,194.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,992.64 : 23,991.69 = 5,462.08 : x
  2. Step 2: Convert to fraction form
    15,992.64/23,991.69 = 5,462.08/x
  3. Step 3: Cross multiply
    15,992.64x = 23,991.69 × 5,462.08
  4. Step 4: Simplify right side
    15,992.64x = 131,044,382.85
  5. Step 5: Solve for x
    x = 131,044,382.85/15,992.64
  6. Step 6: Final answer
    x = 8,194.05

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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.