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Finding the Fourth Proportional to 43,341.13, 65,063.54 and 25,819.21

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Solution

The fourth proportional to 43,341.13, 65,063.54 and 25,819.21 is: 38,759.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,341.13 : 65,063.54 = 25,819.21 : x
  2. Step 2: Convert to fraction form
    43,341.13/65,063.54 = 25,819.21/x
  3. Step 3: Cross multiply
    43,341.13x = 65,063.54 × 25,819.21
  4. Step 4: Simplify right side
    43,341.13x = 1,679,889,202.60
  5. Step 5: Solve for x
    x = 1,679,889,202.60/43,341.13
  6. Step 6: Final answer
    x = 38,759.70

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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.