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Finding the Fourth Proportional to 34,819.65, 52,193.72 and 13,751.15

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Solution

The fourth proportional to 34,819.65, 52,193.72 and 13,751.15 is: 20,612.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,819.65 : 52,193.72 = 13,751.15 : x
  2. Step 2: Convert to fraction form
    34,819.65/52,193.72 = 13,751.15/x
  3. Step 3: Cross multiply
    34,819.65x = 52,193.72 × 13,751.15
  4. Step 4: Simplify right side
    34,819.65x = 717,723,672.78
  5. Step 5: Solve for x
    x = 717,723,672.78/34,819.65
  6. Step 6: Final answer
    x = 20,612.60

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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.