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Finding the Fourth Proportional to 17,314.43, 25,972.45 and 8,989.18

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Solution

The fourth proportional to 17,314.43, 25,972.45 and 8,989.18 is: 13,484.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,314.43 : 25,972.45 = 8,989.18 : x
  2. Step 2: Convert to fraction form
    17,314.43/25,972.45 = 8,989.18/x
  3. Step 3: Cross multiply
    17,314.43x = 25,972.45 × 8,989.18
  4. Step 4: Simplify right side
    17,314.43x = 233,470,940.69
  5. Step 5: Solve for x
    x = 233,470,940.69/17,314.43
  6. Step 6: Final answer
    x = 13,484.19

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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.