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Finding the Fourth Proportional to 11,888.79, 17,833.38 and 4,496.73

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Solution

The fourth proportional to 11,888.79, 17,833.38 and 4,496.73 is: 6,745.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,888.79 : 17,833.38 = 4,496.73 : x
  2. Step 2: Convert to fraction form
    11,888.79/17,833.38 = 4,496.73/x
  3. Step 3: Cross multiply
    11,888.79x = 17,833.38 × 4,496.73
  4. Step 4: Simplify right side
    11,888.79x = 80,191,805.68
  5. Step 5: Solve for x
    x = 80,191,805.68/11,888.79
  6. Step 6: Final answer
    x = 6,745.16

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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.