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Finding the Fourth Proportional to 19,540.40, 29,267.40 and 16,084.40

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Solution

The fourth proportional to 19,540.40, 29,267.40 and 16,084.40 is: 24,091.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,540.40 : 29,267.40 = 16,084.40 : x
  2. Step 2: Convert to fraction form
    19,540.40/29,267.40 = 16,084.40/x
  3. Step 3: Cross multiply
    19,540.40x = 29,267.40 × 16,084.40
  4. Step 4: Simplify right side
    19,540.40x = 470,748,568.56
  5. Step 5: Solve for x
    x = 470,748,568.56/19,540.40
  6. Step 6: Final answer
    x = 24,091.04

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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.