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Finding the Fourth Proportional to 6,674.28, 9,220.28 and 5,267.31

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Solution

The fourth proportional to 6,674.28, 9,220.28 and 5,267.31 is: 7,276.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,674.28 : 9,220.28 = 5,267.31 : x
  2. Step 2: Convert to fraction form
    6,674.28/9,220.28 = 5,267.31/x
  3. Step 3: Cross multiply
    6,674.28x = 9,220.28 × 5,267.31
  4. Step 4: Simplify right side
    6,674.28x = 48,566,046.71
  5. Step 5: Solve for x
    x = 48,566,046.71/6,674.28
  6. Step 6: Final answer
    x = 7,276.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.