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Finding the Fourth Proportional to 9,863.07, 14,785.97 and 3,711.39

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Solution

The fourth proportional to 9,863.07, 14,785.97 and 3,711.39 is: 5,563.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,863.07 : 14,785.97 = 3,711.39 : x
  2. Step 2: Convert to fraction form
    9,863.07/14,785.97 = 3,711.39/x
  3. Step 3: Cross multiply
    9,863.07x = 14,785.97 × 3,711.39
  4. Step 4: Simplify right side
    9,863.07x = 54,876,482.64
  5. Step 5: Solve for x
    x = 54,876,482.64/9,863.07
  6. Step 6: Final answer
    x = 5,563.83

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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.