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Finding the Fourth Proportional to 29,940.06, 44,922.04 and 12,172.06

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Solution

The fourth proportional to 29,940.06, 44,922.04 and 12,172.06 is: 18,262.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,940.06 : 44,922.04 = 12,172.06 : x
  2. Step 2: Convert to fraction form
    29,940.06/44,922.04 = 12,172.06/x
  3. Step 3: Cross multiply
    29,940.06x = 44,922.04 × 12,172.06
  4. Step 4: Simplify right side
    29,940.06x = 546,793,607.71
  5. Step 5: Solve for x
    x = 546,793,607.71/29,940.06
  6. Step 6: Final answer
    x = 18,262.94

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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.