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Finding the Fourth Proportional to 8,960.71, 13,443.80 and 4,581.25

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Solution

The fourth proportional to 8,960.71, 13,443.80 and 4,581.25 is: 6,873.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,960.71 : 13,443.80 = 4,581.25 : x
  2. Step 2: Convert to fraction form
    8,960.71/13,443.80 = 4,581.25/x
  3. Step 3: Cross multiply
    8,960.71x = 13,443.80 × 4,581.25
  4. Step 4: Simplify right side
    8,960.71x = 61,589,361.39
  5. Step 5: Solve for x
    x = 61,589,361.39/8,960.71
  6. Step 6: Final answer
    x = 6,873.27

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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.