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Finding the Fourth Proportional to 4,104.01, 5,647.08 and 3,981.03

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Solution

The fourth proportional to 4,104.01, 5,647.08 and 3,981.03 is: 5,477.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,104.01 : 5,647.08 = 3,981.03 : x
  2. Step 2: Convert to fraction form
    4,104.01/5,647.08 = 3,981.03/x
  3. Step 3: Cross multiply
    4,104.01x = 5,647.08 × 3,981.03
  4. Step 4: Simplify right side
    4,104.01x = 22,481,194.89
  5. Step 5: Solve for x
    x = 22,481,194.89/4,104.01
  6. Step 6: Final answer
    x = 5,477.86

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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.