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Finding the Fourth Proportional to 17,605.70, 26,422.95 and 17,029.70

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Solution

The fourth proportional to 17,605.70, 26,422.95 and 17,029.70 is: 25,558.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,605.70 : 26,422.95 = 17,029.70 : x
  2. Step 2: Convert to fraction form
    17,605.70/26,422.95 = 17,029.70/x
  3. Step 3: Cross multiply
    17,605.70x = 26,422.95 × 17,029.70
  4. Step 4: Simplify right side
    17,605.70x = 449,974,911.62
  5. Step 5: Solve for x
    x = 449,974,911.62/17,605.70
  6. Step 6: Final answer
    x = 25,558.48

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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.