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Finding the Fourth Proportional to 18,313.30, 27,469.92 and 4,462.30

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Solution

The fourth proportional to 18,313.30, 27,469.92 and 4,462.30 is: 6,693.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,313.30 : 27,469.92 = 4,462.30 : x
  2. Step 2: Convert to fraction form
    18,313.30/27,469.92 = 4,462.30/x
  3. Step 3: Cross multiply
    18,313.30x = 27,469.92 × 4,462.30
  4. Step 4: Simplify right side
    18,313.30x = 122,579,024.02
  5. Step 5: Solve for x
    x = 122,579,024.02/18,313.30
  6. Step 6: Final answer
    x = 6,693.44

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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.