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Finding the Fourth Proportional to 15,999.32, 23,998.98 and 5,611.16

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Solution

The fourth proportional to 15,999.32, 23,998.98 and 5,611.16 is: 8,416.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,999.32 : 23,998.98 = 5,611.16 : x
  2. Step 2: Convert to fraction form
    15,999.32/23,998.98 = 5,611.16/x
  3. Step 3: Cross multiply
    15,999.32x = 23,998.98 × 5,611.16
  4. Step 4: Simplify right side
    15,999.32x = 134,662,116.62
  5. Step 5: Solve for x
    x = 134,662,116.62/15,999.32
  6. Step 6: Final answer
    x = 8,416.74

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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.