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Finding the Fourth Proportional to 18,344.71, 27,504.91 and 6,658.03

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Solution

The fourth proportional to 18,344.71, 27,504.91 and 6,658.03 is: 9,982.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,344.71 : 27,504.91 = 6,658.03 : x
  2. Step 2: Convert to fraction form
    18,344.71/27,504.91 = 6,658.03/x
  3. Step 3: Cross multiply
    18,344.71x = 27,504.91 × 6,658.03
  4. Step 4: Simplify right side
    18,344.71x = 183,128,515.93
  5. Step 5: Solve for x
    x = 183,128,515.93/18,344.71
  6. Step 6: Final answer
    x = 9,982.63

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1.5x scale

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.