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Finding the Fourth Proportional to 12,376.44, 18,564.66 and 4,168.44

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Solution

The fourth proportional to 12,376.44, 18,564.66 and 4,168.44 is: 6,252.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,376.44 : 18,564.66 = 4,168.44 : x
  2. Step 2: Convert to fraction form
    12,376.44/18,564.66 = 4,168.44/x
  3. Step 3: Cross multiply
    12,376.44x = 18,564.66 × 4,168.44
  4. Step 4: Simplify right side
    12,376.44x = 77,385,671.33
  5. Step 5: Solve for x
    x = 77,385,671.33/12,376.44
  6. Step 6: Final answer
    x = 6,252.66

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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.