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Finding the Fourth Proportional to 14,344.43, 19,792.06 and 8,679.03

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Solution

The fourth proportional to 14,344.43, 19,792.06 and 8,679.03 is: 11,975.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,344.43 : 19,792.06 = 8,679.03 : x
  2. Step 2: Convert to fraction form
    14,344.43/19,792.06 = 8,679.03/x
  3. Step 3: Cross multiply
    14,344.43x = 19,792.06 × 8,679.03
  4. Step 4: Simplify right side
    14,344.43x = 171,775,946.73
  5. Step 5: Solve for x
    x = 171,775,946.73/14,344.43
  6. Step 6: Final answer
    x = 11,975.10

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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.