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Finding the Fourth Proportional to 14,682, 20,260.98 and 7,967.64

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Solution

The fourth proportional to 14,682, 20,260.98 and 7,967.64 is: 10,995.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,682 : 20,260.98 = 7,967.64 : x
  2. Step 2: Convert to fraction form
    14,682/20,260.98 = 7,967.64/x
  3. Step 3: Cross multiply
    14,682x = 20,260.98 × 7,967.64
  4. Step 4: Simplify right side
    14,682x = 161,432,194.69
  5. Step 5: Solve for x
    x = 161,432,194.69/14,682
  6. Step 6: Final answer
    x = 10,995.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.