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Finding the Fourth Proportional to 14,251.95, 21,380.96 and 7,232.90

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Solution

The fourth proportional to 14,251.95, 21,380.96 and 7,232.90 is: 10,850.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,251.95 : 21,380.96 = 7,232.90 : x
  2. Step 2: Convert to fraction form
    14,251.95/21,380.96 = 7,232.90/x
  3. Step 3: Cross multiply
    14,251.95x = 21,380.96 × 7,232.90
  4. Step 4: Simplify right side
    14,251.95x = 154,646,256.76
  5. Step 5: Solve for x
    x = 154,646,256.76/14,251.95
  6. Step 6: Final answer
    x = 10,850.88

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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.