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Finding the Fourth Proportional to 18,364.52, 27,548.60 and 5,881.40

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Solution

The fourth proportional to 18,364.52, 27,548.60 and 5,881.40 is: 8,822.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,364.52 : 27,548.60 = 5,881.40 : x
  2. Step 2: Convert to fraction form
    18,364.52/27,548.60 = 5,881.40/x
  3. Step 3: Cross multiply
    18,364.52x = 27,548.60 × 5,881.40
  4. Step 4: Simplify right side
    18,364.52x = 162,024,336.04
  5. Step 5: Solve for x
    x = 162,024,336.04/18,364.52
  6. Step 6: Final answer
    x = 8,822.68

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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.