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Finding the Fourth Proportional to 12,661.89, 18,968.21 and 6,092.67

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Solution

The fourth proportional to 12,661.89, 18,968.21 and 6,092.67 is: 9,127.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,661.89 : 18,968.21 = 6,092.67 : x
  2. Step 2: Convert to fraction form
    12,661.89/18,968.21 = 6,092.67/x
  3. Step 3: Cross multiply
    12,661.89x = 18,968.21 × 6,092.67
  4. Step 4: Simplify right side
    12,661.89x = 115,567,044.02
  5. Step 5: Solve for x
    x = 115,567,044.02/12,661.89
  6. Step 6: Final answer
    x = 9,127.16

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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.