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Finding the Fourth Proportional to 11,593.90, 17,391.12 and 2,828.98

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Solution

The fourth proportional to 11,593.90, 17,391.12 and 2,828.98 is: 4,243.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,593.90 : 17,391.12 = 2,828.98 : x
  2. Step 2: Convert to fraction form
    11,593.90/17,391.12 = 2,828.98/x
  3. Step 3: Cross multiply
    11,593.90x = 17,391.12 × 2,828.98
  4. Step 4: Simplify right side
    11,593.90x = 49,199,130.66
  5. Step 5: Solve for x
    x = 49,199,130.66/11,593.90
  6. Step 6: Final answer
    x = 4,243.54

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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.