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Finding the Fourth Proportional to 17,165.68, 23,799.70 and 16,589.68

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Solution

The fourth proportional to 17,165.68, 23,799.70 and 16,589.68 is: 23,001.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,165.68 : 23,799.70 = 16,589.68 : x
  2. Step 2: Convert to fraction form
    17,165.68/23,799.70 = 16,589.68/x
  3. Step 3: Cross multiply
    17,165.68x = 23,799.70 × 16,589.68
  4. Step 4: Simplify right side
    17,165.68x = 394,829,407.10
  5. Step 5: Solve for x
    x = 394,829,407.10/17,165.68
  6. Step 6: Final answer
    x = 23,001.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.