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Finding the Fourth Proportional to 17,593.78, 26,391.48 and 9,796.72

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Solution

The fourth proportional to 17,593.78, 26,391.48 and 9,796.72 is: 14,695.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,593.78 : 26,391.48 = 9,796.72 : x
  2. Step 2: Convert to fraction form
    17,593.78/26,391.48 = 9,796.72/x
  3. Step 3: Cross multiply
    17,593.78x = 26,391.48 × 9,796.72
  4. Step 4: Simplify right side
    17,593.78x = 258,549,939.95
  5. Step 5: Solve for x
    x = 258,549,939.95/17,593.78
  6. Step 6: Final answer
    x = 14,695.53

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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.