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Finding the Fourth Proportional to 14,446.12, 21,671 and 4,960.29

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Solution

The fourth proportional to 14,446.12, 21,671 and 4,960.29 is: 7,441.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,446.12 : 21,671 = 4,960.29 : x
  2. Step 2: Convert to fraction form
    14,446.12/21,671 = 4,960.29/x
  3. Step 3: Cross multiply
    14,446.12x = 21,671 × 4,960.29
  4. Step 4: Simplify right side
    14,446.12x = 107,494,444.59
  5. Step 5: Solve for x
    x = 107,494,444.59/14,446.12
  6. Step 6: Final answer
    x = 7,441.06

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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.