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Finding the Fourth Proportional to 29,907.79, 44,861.76 and 28,080.97

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Solution

The fourth proportional to 29,907.79, 44,861.76 and 28,080.97 is: 42,121.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,907.79 : 44,861.76 = 28,080.97 : x
  2. Step 2: Convert to fraction form
    29,907.79/44,861.76 = 28,080.97/x
  3. Step 3: Cross multiply
    29,907.79x = 44,861.76 × 28,080.97
  4. Step 4: Simplify right side
    29,907.79x = 1,259,761,624.55
  5. Step 5: Solve for x
    x = 1,259,761,624.55/29,907.79
  6. Step 6: Final answer
    x = 42,121.53

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1.5x scale

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.