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Finding the Fourth Proportional to 7,674.60, 11,487.60 and 6,022.20

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Solution

The fourth proportional to 7,674.60, 11,487.60 and 6,022.20 is: 9,014.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,674.60 : 11,487.60 = 6,022.20 : x
  2. Step 2: Convert to fraction form
    7,674.60/11,487.60 = 6,022.20/x
  3. Step 3: Cross multiply
    7,674.60x = 11,487.60 × 6,022.20
  4. Step 4: Simplify right side
    7,674.60x = 69,180,624.72
  5. Step 5: Solve for x
    x = 69,180,624.72/7,674.60
  6. Step 6: Final answer
    x = 9,014.23

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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.