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Finding the Fourth Proportional to 4,047.73, 5,549.42 and 3,973.92

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Solution

The fourth proportional to 4,047.73, 5,549.42 and 3,973.92 is: 5,448.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,047.73 : 5,549.42 = 3,973.92 : x
  2. Step 2: Convert to fraction form
    4,047.73/5,549.42 = 3,973.92/x
  3. Step 3: Cross multiply
    4,047.73x = 5,549.42 × 3,973.92
  4. Step 4: Simplify right side
    4,047.73x = 22,052,951.13
  5. Step 5: Solve for x
    x = 22,052,951.13/4,047.73
  6. Step 6: Final answer
    x = 5,448.23

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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.