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Finding the Fourth Proportional to 17,812.80, 26,654.40 and 16,257.60

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Solution

The fourth proportional to 17,812.80, 26,654.40 and 16,257.60 is: 24,327.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,812.80 : 26,654.40 = 16,257.60 : x
  2. Step 2: Convert to fraction form
    17,812.80/26,654.40 = 16,257.60/x
  3. Step 3: Cross multiply
    17,812.80x = 26,654.40 × 16,257.60
  4. Step 4: Simplify right side
    17,812.80x = 433,336,573.44
  5. Step 5: Solve for x
    x = 433,336,573.44/17,812.80
  6. Step 6: Final answer
    x = 24,327.26

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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.