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Finding the Fourth Proportional to 22,445.56, 30,975.04 and 12,374.36

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Solution

The fourth proportional to 22,445.56, 30,975.04 and 12,374.36 is: 17,076.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,445.56 : 30,975.04 = 12,374.36 : x
  2. Step 2: Convert to fraction form
    22,445.56/30,975.04 = 12,374.36/x
  3. Step 3: Cross multiply
    22,445.56x = 30,975.04 × 12,374.36
  4. Step 4: Simplify right side
    22,445.56x = 383,296,295.97
  5. Step 5: Solve for x
    x = 383,296,295.97/22,445.56
  6. Step 6: Final answer
    x = 17,076.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.