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Finding the Fourth Proportional to 17,321.40, 25,982.10 and 14,599.80

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Solution

The fourth proportional to 17,321.40, 25,982.10 and 14,599.80 is: 21,899.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,321.40 : 25,982.10 = 14,599.80 : x
  2. Step 2: Convert to fraction form
    17,321.40/25,982.10 = 14,599.80/x
  3. Step 3: Cross multiply
    17,321.40x = 25,982.10 × 14,599.80
  4. Step 4: Simplify right side
    17,321.40x = 379,333,463.58
  5. Step 5: Solve for x
    x = 379,333,463.58/17,321.40
  6. Step 6: Final answer
    x = 21,899.70

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Similar ratio
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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.