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Finding the Fourth Proportional to 28,863.70, 43,301.14 and 11,093.02

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Solution

The fourth proportional to 28,863.70, 43,301.14 and 11,093.02 is: 16,641.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,863.70 : 43,301.14 = 11,093.02 : x
  2. Step 2: Convert to fraction form
    28,863.70/43,301.14 = 11,093.02/x
  3. Step 3: Cross multiply
    28,863.70x = 43,301.14 × 11,093.02
  4. Step 4: Simplify right side
    28,863.70x = 480,340,412.04
  5. Step 5: Solve for x
    x = 480,340,412.04/28,863.70
  6. Step 6: Final answer
    x = 16,641.68

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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.