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Finding the Fourth Proportional to 19,614.11, 27,068 and 10,662.22

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Solution

The fourth proportional to 19,614.11, 27,068 and 10,662.22 is: 14,714.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,614.11 : 27,068 = 10,662.22 : x
  2. Step 2: Convert to fraction form
    19,614.11/27,068 = 10,662.22/x
  3. Step 3: Cross multiply
    19,614.11x = 27,068 × 10,662.22
  4. Step 4: Simplify right side
    19,614.11x = 288,604,970.96
  5. Step 5: Solve for x
    x = 288,604,970.96/19,614.11
  6. Step 6: Final answer
    x = 14,714.15

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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.