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Finding the Fourth Proportional to 17,651.26, 26,438.01 and 10,711.18

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Solution

The fourth proportional to 17,651.26, 26,438.01 and 10,711.18 is: 16,043.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,651.26 : 26,438.01 = 10,711.18 : x
  2. Step 2: Convert to fraction form
    17,651.26/26,438.01 = 10,711.18/x
  3. Step 3: Cross multiply
    17,651.26x = 26,438.01 × 10,711.18
  4. Step 4: Simplify right side
    17,651.26x = 283,182,283.95
  5. Step 5: Solve for x
    x = 283,182,283.95/17,651.26
  6. Step 6: Final answer
    x = 16,043.18

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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.