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Finding the Fourth Proportional to 17,520.64, 24,179.07 and 9,563.30

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Solution

The fourth proportional to 17,520.64, 24,179.07 and 9,563.30 is: 13,197.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,520.64 : 24,179.07 = 9,563.30 : x
  2. Step 2: Convert to fraction form
    17,520.64/24,179.07 = 9,563.30/x
  3. Step 3: Cross multiply
    17,520.64x = 24,179.07 × 9,563.30
  4. Step 4: Simplify right side
    17,520.64x = 231,231,700.13
  5. Step 5: Solve for x
    x = 231,231,700.13/17,520.64
  6. Step 6: Final answer
    x = 13,197.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.