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Finding the Fourth Proportional to 17,809.94, 26,690.31 and 15,464.39

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Solution

The fourth proportional to 17,809.94, 26,690.31 and 15,464.39 is: 23,175.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,809.94 : 26,690.31 = 15,464.39 : x
  2. Step 2: Convert to fraction form
    17,809.94/26,690.31 = 15,464.39/x
  3. Step 3: Cross multiply
    17,809.94x = 26,690.31 × 15,464.39
  4. Step 4: Simplify right side
    17,809.94x = 412,749,229.61
  5. Step 5: Solve for x
    x = 412,749,229.61/17,809.94
  6. Step 6: Final answer
    x = 23,175.21

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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.