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Finding the Fourth Proportional to 6,753.28, 10,119.84 and 5,529.28

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Solution

The fourth proportional to 6,753.28, 10,119.84 and 5,529.28 is: 8,285.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,753.28 : 10,119.84 = 5,529.28 : x
  2. Step 2: Convert to fraction form
    6,753.28/10,119.84 = 5,529.28/x
  3. Step 3: Cross multiply
    6,753.28x = 10,119.84 × 5,529.28
  4. Step 4: Simplify right side
    6,753.28x = 55,955,428.92
  5. Step 5: Solve for x
    x = 55,955,428.92/6,753.28
  6. Step 6: Final answer
    x = 8,285.67

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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.