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Finding the Fourth Proportional to 17,756.17, 26,608.87 and 13,039.17

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Solution

The fourth proportional to 17,756.17, 26,608.87 and 13,039.17 is: 19,540.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,756.17 : 26,608.87 = 13,039.17 : x
  2. Step 2: Convert to fraction form
    17,756.17/26,608.87 = 13,039.17/x
  3. Step 3: Cross multiply
    17,756.17x = 26,608.87 × 13,039.17
  4. Step 4: Simplify right side
    17,756.17x = 346,957,579.44
  5. Step 5: Solve for x
    x = 346,957,579.44/17,756.17
  6. Step 6: Final answer
    x = 19,540.11

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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.