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Finding the Fourth Proportional to 16,962, 25,425.63 and 7,107

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Solution

The fourth proportional to 16,962, 25,425.63 and 7,107 is: 10,653.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,962 : 25,425.63 = 7,107 : x
  2. Step 2: Convert to fraction form
    16,962/25,425.63 = 7,107/x
  3. Step 3: Cross multiply
    16,962x = 25,425.63 × 7,107
  4. Step 4: Simplify right side
    16,962x = 180,699,952.41
  5. Step 5: Solve for x
    x = 180,699,952.41/16,962
  6. Step 6: Final answer
    x = 10,653.22

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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.