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Finding the Fourth Proportional to 36,517.99, 54,743.92 and 14,325.40

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Solution

The fourth proportional to 36,517.99, 54,743.92 and 14,325.40 is: 21,475.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,517.99 : 54,743.92 = 14,325.40 : x
  2. Step 2: Convert to fraction form
    36,517.99/54,743.92 = 14,325.40/x
  3. Step 3: Cross multiply
    36,517.99x = 54,743.92 × 14,325.40
  4. Step 4: Simplify right side
    36,517.99x = 784,228,630.95
  5. Step 5: Solve for x
    x = 784,228,630.95/36,517.99
  6. Step 6: Final answer
    x = 21,475.13

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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.