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Finding the Fourth Proportional to 18,348.76, 27,523.16 and 6,662

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Solution

The fourth proportional to 18,348.76, 27,523.16 and 6,662 is: 9,993.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,348.76 : 27,523.16 = 6,662 : x
  2. Step 2: Convert to fraction form
    18,348.76/27,523.16 = 6,662/x
  3. Step 3: Cross multiply
    18,348.76x = 27,523.16 × 6,662
  4. Step 4: Simplify right side
    18,348.76x = 183,359,291.92
  5. Step 5: Solve for x
    x = 183,359,291.92/18,348.76
  6. Step 6: Final answer
    x = 9,993.01

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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.