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Finding the Fourth Proportional to 29,205.63, 43,806.87 and 16,717.86

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Solution

The fourth proportional to 29,205.63, 43,806.87 and 16,717.86 is: 25,075.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,205.63 : 43,806.87 = 16,717.86 : x
  2. Step 2: Convert to fraction form
    29,205.63/43,806.87 = 16,717.86/x
  3. Step 3: Cross multiply
    29,205.63x = 43,806.87 × 16,717.86
  4. Step 4: Simplify right side
    29,205.63x = 732,357,119.70
  5. Step 5: Solve for x
    x = 732,357,119.70/29,205.63
  6. Step 6: Final answer
    x = 25,075.89

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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.