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Finding the Fourth Proportional to 8,672.38, 11,967.89 and 4,693.49

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Solution

The fourth proportional to 8,672.38, 11,967.89 and 4,693.49 is: 6,477.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,672.38 : 11,967.89 = 4,693.49 : x
  2. Step 2: Convert to fraction form
    8,672.38/11,967.89 = 4,693.49/x
  3. Step 3: Cross multiply
    8,672.38x = 11,967.89 × 4,693.49
  4. Step 4: Simplify right side
    8,672.38x = 56,171,220.73
  5. Step 5: Solve for x
    x = 56,171,220.73/8,672.38
  6. Step 6: Final answer
    x = 6,477.03

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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.