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Finding the Fourth Proportional to 18,043.76, 24,900.38 and 10,591.76

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Solution

The fourth proportional to 18,043.76, 24,900.38 and 10,591.76 is: 14,616.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,043.76 : 24,900.38 = 10,591.76 : x
  2. Step 2: Convert to fraction form
    18,043.76/24,900.38 = 10,591.76/x
  3. Step 3: Cross multiply
    18,043.76x = 24,900.38 × 10,591.76
  4. Step 4: Simplify right side
    18,043.76x = 263,738,848.87
  5. Step 5: Solve for x
    x = 263,738,848.87/18,043.76
  6. Step 6: Final answer
    x = 14,616.62

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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.