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Finding the Fourth Proportional to 44,819.75, 67,229.63 and 13,655

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Solution

The fourth proportional to 44,819.75, 67,229.63 and 13,655 is: 20,482.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,819.75 : 67,229.63 = 13,655 : x
  2. Step 2: Convert to fraction form
    44,819.75/67,229.63 = 13,655/x
  3. Step 3: Cross multiply
    44,819.75x = 67,229.63 × 13,655
  4. Step 4: Simplify right side
    44,819.75x = 918,020,597.65
  5. Step 5: Solve for x
    x = 918,020,597.65/44,819.75
  6. Step 6: Final answer
    x = 20,482.50

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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.