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Finding the Fourth Proportional to 14,510.73, 21,765.19 and 8,662.94

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Solution

The fourth proportional to 14,510.73, 21,765.19 and 8,662.94 is: 12,993.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,510.73 : 21,765.19 = 8,662.94 : x
  2. Step 2: Convert to fraction form
    14,510.73/21,765.19 = 8,662.94/x
  3. Step 3: Cross multiply
    14,510.73x = 21,765.19 × 8,662.94
  4. Step 4: Simplify right side
    14,510.73x = 188,550,535.06
  5. Step 5: Solve for x
    x = 188,550,535.06/14,510.73
  6. Step 6: Final answer
    x = 12,993.87

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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.