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Finding the Fourth Proportional to 18,229.71, 27,344.91 and 5,750.16

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Solution

The fourth proportional to 18,229.71, 27,344.91 and 5,750.16 is: 8,625.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,229.71 : 27,344.91 = 5,750.16 : x
  2. Step 2: Convert to fraction form
    18,229.71/27,344.91 = 5,750.16/x
  3. Step 3: Cross multiply
    18,229.71x = 27,344.91 × 5,750.16
  4. Step 4: Simplify right side
    18,229.71x = 157,237,607.69
  5. Step 5: Solve for x
    x = 157,237,607.69/18,229.71
  6. Step 6: Final answer
    x = 8,625.35

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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.