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Finding the Fourth Proportional to 13,593.88, 18,758.34 and 7,932.04

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Solution

The fourth proportional to 13,593.88, 18,758.34 and 7,932.04 is: 10,945.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,593.88 : 18,758.34 = 7,932.04 : x
  2. Step 2: Convert to fraction form
    13,593.88/18,758.34 = 7,932.04/x
  3. Step 3: Cross multiply
    13,593.88x = 18,758.34 × 7,932.04
  4. Step 4: Simplify right side
    13,593.88x = 148,791,903.21
  5. Step 5: Solve for x
    x = 148,791,903.21/13,593.88
  6. Step 6: Final answer
    x = 10,945.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.