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Finding the Fourth Proportional to 17,509.89, 26,264.82 and 5,197.89

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Solution

The fourth proportional to 17,509.89, 26,264.82 and 5,197.89 is: 7,796.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,509.89 : 26,264.82 = 5,197.89 : x
  2. Step 2: Convert to fraction form
    17,509.89/26,264.82 = 5,197.89/x
  3. Step 3: Cross multiply
    17,509.89x = 26,264.82 × 5,197.89
  4. Step 4: Simplify right side
    17,509.89x = 136,521,645.23
  5. Step 5: Solve for x
    x = 136,521,645.23/17,509.89
  6. Step 6: Final answer
    x = 7,796.83

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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.