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Finding the Fourth Proportional to 59,491.56, 89,245.57 and 20,059.95

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Solution

The fourth proportional to 59,491.56, 89,245.57 and 20,059.95 is: 30,092.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,491.56 : 89,245.57 = 20,059.95 : x
  2. Step 2: Convert to fraction form
    59,491.56/89,245.57 = 20,059.95/x
  3. Step 3: Cross multiply
    59,491.56x = 89,245.57 × 20,059.95
  4. Step 4: Simplify right side
    59,491.56x = 1,790,261,671.92
  5. Step 5: Solve for x
    x = 1,790,261,671.92/59,491.56
  6. Step 6: Final answer
    x = 30,092.70

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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.