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Finding the Fourth Proportional to 18,174.20, 27,210.47 and 9,824.25

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Solution

The fourth proportional to 18,174.20, 27,210.47 and 9,824.25 is: 14,708.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,174.20 : 27,210.47 = 9,824.25 : x
  2. Step 2: Convert to fraction form
    18,174.20/27,210.47 = 9,824.25/x
  3. Step 3: Cross multiply
    18,174.20x = 27,210.47 × 9,824.25
  4. Step 4: Simplify right side
    18,174.20x = 267,322,410.78
  5. Step 5: Solve for x
    x = 267,322,410.78/18,174.20
  6. Step 6: Final answer
    x = 14,708.90

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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.