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Finding the Fourth Proportional to 11,903.73, 17,863.79 and 5,337.26

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Solution

The fourth proportional to 11,903.73, 17,863.79 and 5,337.26 is: 8,009.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,903.73 : 17,863.79 = 5,337.26 : x
  2. Step 2: Convert to fraction form
    11,903.73/17,863.79 = 5,337.26/x
  3. Step 3: Cross multiply
    11,903.73x = 17,863.79 × 5,337.26
  4. Step 4: Simplify right side
    11,903.73x = 95,343,672.82
  5. Step 5: Solve for x
    x = 95,343,672.82/11,903.73
  6. Step 6: Final answer
    x = 8,009.57

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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.