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Finding the Fourth Proportional to 18,076.59, 27,114.08 and 4,928.96

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Solution

The fourth proportional to 18,076.59, 27,114.08 and 4,928.96 is: 7,393.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,076.59 : 27,114.08 = 4,928.96 : x
  2. Step 2: Convert to fraction form
    18,076.59/27,114.08 = 4,928.96/x
  3. Step 3: Cross multiply
    18,076.59x = 27,114.08 × 4,928.96
  4. Step 4: Simplify right side
    18,076.59x = 133,644,295.86
  5. Step 5: Solve for x
    x = 133,644,295.86/18,076.59
  6. Step 6: Final answer
    x = 7,393.22

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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.