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Finding the Fourth Proportional to 18,156.76, 27,228.12 and 7,062

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Solution

The fourth proportional to 18,156.76, 27,228.12 and 7,062 is: 10,590.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,156.76 : 27,228.12 = 7,062 : x
  2. Step 2: Convert to fraction form
    18,156.76/27,228.12 = 7,062/x
  3. Step 3: Cross multiply
    18,156.76x = 27,228.12 × 7,062
  4. Step 4: Simplify right side
    18,156.76x = 192,284,983.44
  5. Step 5: Solve for x
    x = 192,284,983.44/18,156.76
  6. Step 6: Final answer
    x = 10,590.27

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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.