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Finding the Fourth Proportional to 6,687.94, 9,226.50 and 4,033.84

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Solution

The fourth proportional to 6,687.94, 9,226.50 and 4,033.84 is: 5,564.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,687.94 : 9,226.50 = 4,033.84 : x
  2. Step 2: Convert to fraction form
    6,687.94/9,226.50 = 4,033.84/x
  3. Step 3: Cross multiply
    6,687.94x = 9,226.50 × 4,033.84
  4. Step 4: Simplify right side
    6,687.94x = 37,218,224.76
  5. Step 5: Solve for x
    x = 37,218,224.76/6,687.94
  6. Step 6: Final answer
    x = 5,564.98

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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.