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Finding the Fourth Proportional to 14,753.13, 22,137.80 and 6,961.74

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Solution

The fourth proportional to 14,753.13, 22,137.80 and 6,961.74 is: 10,446.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,753.13 : 22,137.80 = 6,961.74 : x
  2. Step 2: Convert to fraction form
    14,753.13/22,137.80 = 6,961.74/x
  3. Step 3: Cross multiply
    14,753.13x = 22,137.80 × 6,961.74
  4. Step 4: Simplify right side
    14,753.13x = 154,117,572.96
  5. Step 5: Solve for x
    x = 154,117,572.96/14,753.13
  6. Step 6: Final answer
    x = 10,446.43

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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.