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Finding the Fourth Proportional to 8,785.71, 13,175.37 and 2,544.03

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Solution

The fourth proportional to 8,785.71, 13,175.37 and 2,544.03 is: 3,815.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785.71 : 13,175.37 = 2,544.03 : x
  2. Step 2: Convert to fraction form
    8,785.71/13,175.37 = 2,544.03/x
  3. Step 3: Cross multiply
    8,785.71x = 13,175.37 × 2,544.03
  4. Step 4: Simplify right side
    8,785.71x = 33,518,536.54
  5. Step 5: Solve for x
    x = 33,518,536.54/8,785.71
  6. Step 6: Final answer
    x = 3,815.12

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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.