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Finding the Fourth Proportional to 36,400.99, 54,568.98 and 14,209.19

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Solution

The fourth proportional to 36,400.99, 54,568.98 and 14,209.19 is: 21,301.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,400.99 : 54,568.98 = 14,209.19 : x
  2. Step 2: Convert to fraction form
    36,400.99/54,568.98 = 14,209.19/x
  3. Step 3: Cross multiply
    36,400.99x = 54,568.98 × 14,209.19
  4. Step 4: Simplify right side
    36,400.99x = 775,381,004.93
  5. Step 5: Solve for x
    x = 775,381,004.93/36,400.99
  6. Step 6: Final answer
    x = 21,301.10

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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.