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Finding the Fourth Proportional to 17,311.67, 23,890.04 and 9,353.88

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Solution

The fourth proportional to 17,311.67, 23,890.04 and 9,353.88 is: 12,908.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,311.67 : 23,890.04 = 9,353.88 : x
  2. Step 2: Convert to fraction form
    17,311.67/23,890.04 = 9,353.88/x
  3. Step 3: Cross multiply
    17,311.67x = 23,890.04 × 9,353.88
  4. Step 4: Simplify right side
    17,311.67x = 223,464,567.36
  5. Step 5: Solve for x
    x = 223,464,567.36/17,311.67
  6. Step 6: Final answer
    x = 12,908.32

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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.