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Finding the Fourth Proportional to 17,506.65, 26,259.98 and 5,819.87

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Solution

The fourth proportional to 17,506.65, 26,259.98 and 5,819.87 is: 8,729.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,506.65 : 26,259.98 = 5,819.87 : x
  2. Step 2: Convert to fraction form
    17,506.65/26,259.98 = 5,819.87/x
  3. Step 3: Cross multiply
    17,506.65x = 26,259.98 × 5,819.87
  4. Step 4: Simplify right side
    17,506.65x = 152,829,669.80
  5. Step 5: Solve for x
    x = 152,829,669.80/17,506.65
  6. Step 6: Final answer
    x = 8,729.81

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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.