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Finding the Fourth Proportional to 18,051.06, 27,053.91 and 8,683.41

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Solution

The fourth proportional to 18,051.06, 27,053.91 and 8,683.41 is: 13,014.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,051.06 : 27,053.91 = 8,683.41 : x
  2. Step 2: Convert to fraction form
    18,051.06/27,053.91 = 8,683.41/x
  3. Step 3: Cross multiply
    18,051.06x = 27,053.91 × 8,683.41
  4. Step 4: Simplify right side
    18,051.06x = 234,920,192.63
  5. Step 5: Solve for x
    x = 234,920,192.63/18,051.06
  6. Step 6: Final answer
    x = 13,014.20

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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.