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Finding the Fourth Proportional to 16,667.67, 23,000.67 and 9,113.66

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Solution

The fourth proportional to 16,667.67, 23,000.67 and 9,113.66 is: 12,576.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,667.67 : 23,000.67 = 9,113.66 : x
  2. Step 2: Convert to fraction form
    16,667.67/23,000.67 = 9,113.66/x
  3. Step 3: Cross multiply
    16,667.67x = 23,000.67 × 9,113.66
  4. Step 4: Simplify right side
    16,667.67x = 209,620,171.15
  5. Step 5: Solve for x
    x = 209,620,171.15/16,667.67
  6. Step 6: Final answer
    x = 12,576.45

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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.