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Finding the Fourth Proportional to 18,251.52, 27,368.16 and 9,483.84

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Solution

The fourth proportional to 18,251.52, 27,368.16 and 9,483.84 is: 14,221.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,251.52 : 27,368.16 = 9,483.84 : x
  2. Step 2: Convert to fraction form
    18,251.52/27,368.16 = 9,483.84/x
  3. Step 3: Cross multiply
    18,251.52x = 27,368.16 × 9,483.84
  4. Step 4: Simplify right side
    18,251.52x = 259,555,250.53
  5. Step 5: Solve for x
    x = 259,555,250.53/18,251.52
  6. Step 6: Final answer
    x = 14,221.02

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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.