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Finding the Fourth Proportional to 14,093.92, 21,114.78 and 7,065.73

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Solution

The fourth proportional to 14,093.92, 21,114.78 and 7,065.73 is: 10,585.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,093.92 : 21,114.78 = 7,065.73 : x
  2. Step 2: Convert to fraction form
    14,093.92/21,114.78 = 7,065.73/x
  3. Step 3: Cross multiply
    14,093.92x = 21,114.78 × 7,065.73
  4. Step 4: Simplify right side
    14,093.92x = 149,191,334.49
  5. Step 5: Solve for x
    x = 149,191,334.49/14,093.92
  6. Step 6: Final answer
    x = 10,585.51

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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.