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Finding the Fourth Proportional to 43,482.20, 65,147.70 and 20,060.60

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Solution

The fourth proportional to 43,482.20, 65,147.70 and 20,060.60 is: 30,056.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,482.20 : 65,147.70 = 20,060.60 : x
  2. Step 2: Convert to fraction form
    43,482.20/65,147.70 = 20,060.60/x
  3. Step 3: Cross multiply
    43,482.20x = 65,147.70 × 20,060.60
  4. Step 4: Simplify right side
    43,482.20x = 1,306,901,950.62
  5. Step 5: Solve for x
    x = 1,306,901,950.62/43,482.20
  6. Step 6: Final answer
    x = 30,056.02

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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.