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Finding the Fourth Proportional to 15,995.32, 23,992.98 and 8,199.16

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Solution

The fourth proportional to 15,995.32, 23,992.98 and 8,199.16 is: 12,298.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,995.32 : 23,992.98 = 8,199.16 : x
  2. Step 2: Convert to fraction form
    15,995.32/23,992.98 = 8,199.16/x
  3. Step 3: Cross multiply
    15,995.32x = 23,992.98 × 8,199.16
  4. Step 4: Simplify right side
    15,995.32x = 196,722,281.90
  5. Step 5: Solve for x
    x = 196,722,281.90/15,995.32
  6. Step 6: Final answer
    x = 12,298.74

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Similar ratio
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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.