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Finding the Fourth Proportional to 12,002.36, 18,003.53 and 9,946.04

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Solution

The fourth proportional to 12,002.36, 18,003.53 and 9,946.04 is: 14,919.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,002.36 : 18,003.53 = 9,946.04 : x
  2. Step 2: Convert to fraction form
    12,002.36/18,003.53 = 9,946.04/x
  3. Step 3: Cross multiply
    12,002.36x = 18,003.53 × 9,946.04
  4. Step 4: Simplify right side
    12,002.36x = 179,063,764.37
  5. Step 5: Solve for x
    x = 179,063,764.37/12,002.36
  6. Step 6: Final answer
    x = 14,919.05

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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.