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Finding the Fourth Proportional to 18,491.94, 25,517.57 and 10,532.70

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Solution

The fourth proportional to 18,491.94, 25,517.57 and 10,532.70 is: 14,534.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,491.94 : 25,517.57 = 10,532.70 : x
  2. Step 2: Convert to fraction form
    18,491.94/25,517.57 = 10,532.70/x
  3. Step 3: Cross multiply
    18,491.94x = 25,517.57 × 10,532.70
  4. Step 4: Simplify right side
    18,491.94x = 268,768,856.88
  5. Step 5: Solve for x
    x = 268,768,856.88/18,491.94
  6. Step 6: Final answer
    x = 14,534.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.