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Finding the Fourth Proportional to 4,047.84, 5,549.61 and 3,974.04

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Solution

The fourth proportional to 4,047.84, 5,549.61 and 3,974.04 is: 5,448.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,047.84 : 5,549.61 = 3,974.04 : x
  2. Step 2: Convert to fraction form
    4,047.84/5,549.61 = 3,974.04/x
  3. Step 3: Cross multiply
    4,047.84x = 5,549.61 × 3,974.04
  4. Step 4: Simplify right side
    4,047.84x = 22,054,372.12
  5. Step 5: Solve for x
    x = 22,054,372.12/4,047.84
  6. Step 6: Final answer
    x = 5,448.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.