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Finding the Fourth Proportional to 17,841.18, 26,753.46 and 7,980.54

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Solution

The fourth proportional to 17,841.18, 26,753.46 and 7,980.54 is: 11,967.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,841.18 : 26,753.46 = 7,980.54 : x
  2. Step 2: Convert to fraction form
    17,841.18/26,753.46 = 7,980.54/x
  3. Step 3: Cross multiply
    17,841.18x = 26,753.46 × 7,980.54
  4. Step 4: Simplify right side
    17,841.18x = 213,507,057.67
  5. Step 5: Solve for x
    x = 213,507,057.67/17,841.18
  6. Step 6: Final answer
    x = 11,967.09

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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.