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Finding the Fourth Proportional to 6,751.28, 10,116.84 and 5,527.28

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Solution

The fourth proportional to 6,751.28, 10,116.84 and 5,527.28 is: 8,282.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,751.28 : 10,116.84 = 5,527.28 : x
  2. Step 2: Convert to fraction form
    6,751.28/10,116.84 = 5,527.28/x
  3. Step 3: Cross multiply
    6,751.28x = 10,116.84 × 5,527.28
  4. Step 4: Simplify right side
    6,751.28x = 55,918,607.40
  5. Step 5: Solve for x
    x = 55,918,607.40/6,751.28
  6. Step 6: Final answer
    x = 8,282.67

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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.