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Finding the Fourth Proportional to 17,168.76, 25,753.48 and 11,283.17

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Solution

The fourth proportional to 17,168.76, 25,753.48 and 11,283.17 is: 16,924.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,168.76 : 25,753.48 = 11,283.17 : x
  2. Step 2: Convert to fraction form
    17,168.76/25,753.48 = 11,283.17/x
  3. Step 3: Cross multiply
    17,168.76x = 25,753.48 × 11,283.17
  4. Step 4: Simplify right side
    17,168.76x = 290,580,837.88
  5. Step 5: Solve for x
    x = 290,580,837.88/17,168.76
  6. Step 6: Final answer
    x = 16,924.98

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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.