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Finding the Fourth Proportional to 17,052.90, 25,542.90 and 14,136.90

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Solution

The fourth proportional to 17,052.90, 25,542.90 and 14,136.90 is: 21,175.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,052.90 : 25,542.90 = 14,136.90 : x
  2. Step 2: Convert to fraction form
    17,052.90/25,542.90 = 14,136.90/x
  3. Step 3: Cross multiply
    17,052.90x = 25,542.90 × 14,136.90
  4. Step 4: Simplify right side
    17,052.90x = 361,097,423.01
  5. Step 5: Solve for x
    x = 361,097,423.01/17,052.90
  6. Step 6: Final answer
    x = 21,175.13

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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.