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Finding the Fourth Proportional to 12,168.67, 18,252.92 and 6,548.98

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Solution

The fourth proportional to 12,168.67, 18,252.92 and 6,548.98 is: 9,823.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,168.67 : 18,252.92 = 6,548.98 : x
  2. Step 2: Convert to fraction form
    12,168.67/18,252.92 = 6,548.98/x
  3. Step 3: Cross multiply
    12,168.67x = 18,252.92 × 6,548.98
  4. Step 4: Simplify right side
    12,168.67x = 119,538,008.02
  5. Step 5: Solve for x
    x = 119,538,008.02/12,168.67
  6. Step 6: Final answer
    x = 9,823.43

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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.