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Finding the Fourth Proportional to 14,676, 20,252.88 and 8,388.51

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Solution

The fourth proportional to 14,676, 20,252.88 and 8,388.51 is: 11,576.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,676 : 20,252.88 = 8,388.51 : x
  2. Step 2: Convert to fraction form
    14,676/20,252.88 = 8,388.51/x
  3. Step 3: Cross multiply
    14,676x = 20,252.88 × 8,388.51
  4. Step 4: Simplify right side
    14,676x = 169,891,486.41
  5. Step 5: Solve for x
    x = 169,891,486.41/14,676
  6. Step 6: Final answer
    x = 11,576.14

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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.