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Finding the Fourth Proportional to 66,574.44, 99,861.48 and 33,260.76

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Solution

The fourth proportional to 66,574.44, 99,861.48 and 33,260.76 is: 49,891.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,574.44 : 99,861.48 = 33,260.76 : x
  2. Step 2: Convert to fraction form
    66,574.44/99,861.48 = 33,260.76/x
  3. Step 3: Cross multiply
    66,574.44x = 99,861.48 × 33,260.76
  4. Step 4: Simplify right side
    66,574.44x = 3,321,468,719.52
  5. Step 5: Solve for x
    x = 3,321,468,719.52/66,574.44
  6. Step 6: Final answer
    x = 49,891.05

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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.