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Finding the Fourth Proportional to 17,081.80, 25,671.30 and 14,943.40

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Solution

The fourth proportional to 17,081.80, 25,671.30 and 14,943.40 is: 22,457.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,081.80 : 25,671.30 = 14,943.40 : x
  2. Step 2: Convert to fraction form
    17,081.80/25,671.30 = 14,943.40/x
  3. Step 3: Cross multiply
    17,081.80x = 25,671.30 × 14,943.40
  4. Step 4: Simplify right side
    17,081.80x = 383,616,504.42
  5. Step 5: Solve for x
    x = 383,616,504.42/17,081.80
  6. Step 6: Final answer
    x = 22,457.62

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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.